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11/12/2022, 09:00
Details for the 3D Printing Workshop can be found at https://aip-congress.org.au/workshop.html
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11/12/2022, 10:00
Details for the ANFF workshop can be found at https://aip-congress.org.au/workshop.html
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Prof. Donna Strickland (University of Waterloo)12/12/2022, 09:00
The laser increased the intensity of light that can be generated by orders of magnitude and thus brought about nonlinear optical interactions with matter. Chirped pulse amplification, also known as CPA, changed the intensity level by a few more orders of magnitude and helped usher in a new type of laser-matter interaction that is referred to as high-intensity laser physics. In this talk, I...
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Prof. Ania Bleszynski Jayich (University of California, Santa Barbara)12/12/2022, 09:45
The diamond NV center offers a uniquely versatile path towards nanoscale imaging of condensed matter and biological systems. Here I present NV-based magnetic imaging experiments and discuss challenges to improved resolution and sensitivity, largely focused on materials engineering and tackling interface-induced decoherence.
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Prof. Sergio Leon-Saval (Sydney Astrophotonics Instrumentation Laboratory, School of Physics, The University of Sydney, Sydney, NSW 2006, Australia.)12/12/2022, 11:00
Astrophotonics lies at the interface of photonics and astronomical instrumentation. The power of photonics and Adaptive Optics, together with the development of new photonic devices, strengthens the case for astrophotonics year by year.
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Prof. Glenn Solomon (University of Adelaide)12/12/2022, 11:00
Quantum Hall systems are of broad interest as they cover low-dimensional quantum systems, strong charge correlations, and topological physics. Our results lead to a unified understanding of the relaxation processes in graphene over different magnetic field strength regimes.
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Prof. Peter Drummond (Swiburne University of technology)12/12/2022, 11:00
We present a numerical model of an early universe analog using a Bose-Einstein condensate, including temperature effects and topological properties. This may provide an insight into the particle-antiparticle asymmetry seen in our universe.
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Dr Timothy Gray (Oak Ridge National Laboratory)12/12/2022, 11:00
Results from the Facility for Rare Isotope Beams (FRIB) reveal the first microsecond isomer for exotic N=20 nuclei. Implications for nuclear structure and the competition between spherical and deformed shapes will be discussed.
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Prof. Bob Coecke (Quantinuum Ltd.)12/12/2022, 11:00
Our team have performed Quantum Natural Language Processing on an IBM quantum computer and our own trapped-ion hardware. Key to achieving this is the observation that quantum theory and natural language are governed by much of the same compositional structure.
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Laura Herz (University of Oxford)12/12/2022, 11:00COMMAD: Emerging materials: 2D, oxide, organic, and perovskite materialsInvited talk
Metal halide semiconductors have emerged as attractive materials for solar cells. In this talk I will discuss some of our recent work exploring the optoelectronic properties of lead-iodide perovskites and silver-bismuth halide semiconductors.
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Dr Tyler Neely (University of Queensland)12/12/2022, 11:00
In this work, we experimentally create a lattice of vortices in a two-dimensional BEC and map the vortex density as the lattice melts. These states have gained prominence as an analogue of electrons in the quantum hall effect.
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John Ballato12/12/2022, 11:00
This invited talk will discuss the molten core method for fabricating a wide variety of novel glassy and crystalline core optical fibers, exhibiting an equally wide variety of fascinating properties not previously known
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Prof. Benjamin Eggleton (The University of Sydney Nano Institute)12/12/2022, 11:00
Recent advances in device physics, nanotechnology, AI, and sensor fusion is leading to a revolution in smart sensor technology to provide multi-faceted interfaces to the three-dimensional physical, chemical, and data environment, enabling high-performance information gathering and real-time situational awareness.
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Ya Zhang (Australian National University)12/12/2022, 11:00
Future interferometric gravitational-wave detectors are predicted to be impacted by low-frequency relative displacement motion between their seismic isolation platforms. We will present the advantages, sensitivity targets and latest prototype developments towards a digitally-enhanced interferometric sensor for measuring this motion.
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Callum Sambridge12/12/2022, 11:15
This talk discusses a rigorous analysis of phasemeter behaviour in the ultra weak-light regime. We explore the fundamental limit in optical power at which heterodyne phase tracking measurements can be reliably performed, Focused on application in space-based interferometry.
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Fiona Wei12/12/2022, 11:30ANZCOP: AstrophotonicsTalk (preferred)
Adaptive optics (AO) is critical in astronomy, optical communications, remote sensing, and optical beam manipulation to correct distortions caused by propagation through media like the Earth’s atmosphere or living tissue.
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Matthew Donnelly12/12/2022, 11:30
In this work we show the results of an atomistic tight-binding approach coupled with the Non-Equilibrium Green’s Function (NEGF) formalism when applied to phosphorus doped silicon tunnel junctions that can be manufactured with sub-nanometre accuracy.
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Mr Jobin Valliyakalayil (Centre for Gravitational Astrophysics, Australian National University)12/12/2022, 11:30
This research illustrates a novel method of stabilizing the laser in the LISA mission with respect to two references – the on-board optical cavity, and the inter-spacecraft separations or the arms of the interferometer
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Mei Xian Low (RMIT University)12/12/2022, 11:30COMMAD: Emerging materials: 2D, oxide, organic, and perovskite materialsTalk (preferred)
Tuning the charge transfer and optoelectronic properties of 2D materials such as black phosphorus (BP) by hybridising it with an organic semiconducting polymer.
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Clarissa Harvey (Royal Institute of Technology, Stockholm, Sweden)12/12/2022, 11:30WSOF: Advances and new developments in specialty fibresInvited talk
This work explores using CO-laser heating to fabricate speciality optical fibre from unconventional materials. The unique temperature dynamics of this furnace demonstrated fine control of crystallisation in crystal-core glass-clad fibres.
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Joshua Crawford12/12/2022, 11:30
Transverse force tomography is a relatively new technique that offers an alternative perspective on confining forces in Quantum Chromodynamics. We present the first lattice QCD computation of the spatial distribution of the "Colour-Lorentz" forces in the proton.
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Sam Meng (Australian National University)12/12/2022, 11:30
We demonstrate the laser cooling techniques for rapid production of a metastable helium BEC. The experimental setup features an in-vacuum magnetic trap and a cross-beam optical dipole trap. We obtained a pure BEC of 1 million atoms in 3.3 seconds.
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Martin Ams (Macquarie University)12/12/2022, 11:30ANZCOP: Optical sensorsTalk (preferred)
We report robust fibre Bragg grating (FBG) sensors that optically measure environmental conditions in harsh, corrosive, biofouling wastewater networks over long periods.
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Sebastian Murk (Macquarie University and Sydney Quantum Academy)12/12/2022, 11:30
Information loss in black hole evolution is one of the longest-running controversies in theoretical physics. However, the discordant properties of different generalisations of surface gravity reveal that the problem cannot be formulated self-consistently in semiclassical gravity.
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Jason Gavriel (University of Technology Sydney)12/12/2022, 11:30
I would like to apply for a talk (preferred) or poster. I am the primary author of the paper and the one which will present.
Please find attached the abstract in .pdf format.
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Sheon Chua (Australian National University)12/12/2022, 11:45
We present the characterization of the simultaneous four offset-optical phase-locked loop set up used as part of a Newtonian noise sensor readout, and discuss their performance and limits with respect to the scientific requirements for the experiment.
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Benjamin Dix-Matthews (The University of Western Australia)12/12/2022, 11:45ANZCOP: AstrophotonicsTalk (preferred)
An overview of the free-space optical communications research being conducted at UWA, with emphasis on the development of the Western Australian Optical Ground Station and results from field tests with a deployable mobile optical terminal.
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Jesse Fletcher (University of Western Australia)12/12/2022, 11:45ANZCOP: Optical sensorsTalk (preferred)
Demonstrating the first positive-patterning process for creating passivated waveguides in porous silicon films using laser writing in a controllable atmosphere to retain an open pore structure suitable for highly sensitive optical sensor applications.
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GOZDE USTUN (UNSW)12/12/2022, 11:45
We build low depth parity check gate set such that these gates become the most natural gate for QEC implementation.By building gates that are fundamental to QEC rather than universal computation,we can boost the threshold and ease the experimental hardness.
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Prof. Howard Wiseman (Griffith University)12/12/2022, 11:45
This work studies of families of laser models that exhibit both Heisenberg-limited beam coherence, and sub-Poissonian beam photon statistics. In particular, we investigate if imposing sub-Poissonian statistics comes at the expense of a reduction in the coherence.
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Dipan Sengupta (University of Adelaide)12/12/2022, 11:45
Compactified extra dimensions are well motivated BSM candidates. I will talk about the behaviour of scattering amplitudes of Kaluza-Klein gravitons in both flat and warped extra dimensions and assess the range of validity of the low-energy effective Kaluza-Klein theory.
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Ms Xiting Zhou12/12/2022, 11:45COMMAD: Nano/micro-fabrication and processingTalk (preferred)
β-Ga2O3 gratings were fabricated by inductively-coupled-plasma (ICP) etching process to have a clearer understanding of dry etching mechanism during semiconductor device manufacturing process. Different parameters were adjusted to investigate their effects and find the best etching recipe.
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Kieran Thomas12/12/2022, 11:45
We present our experimental progress towards demonstrating quantum non-locality in a matter wave system of ultracold helium via a Rarity-Tapster interferometer. The momentum entangled state used for the violation is generated by colliding helium Bose-Einstein condensates.
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Patrick McGlynn12/12/2022, 11:45
Shell effects in nuclear fission of superheavy oganesson-294 are investigated through simulations of quasifission trajectories. Results show that shell effects from fission affect quasifission along with excitation energy dependent changes.
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Paul Sibley12/12/2022, 12:00ANZCOP: AstrophotonicsTalk (preferred)
We present the key considerations in our design for using optical interferometry to phase-lock optical phased arrays with up to 100 million emitters, needed for the ambitious proposed Breakthrough Starshot mission.
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Anthony O’Rourke (The University of Technology Sydney)12/12/2022, 12:00
How to experimentally investigate the fidelity of injected states for error-corrected quantum computing using the surface code and superconducting qubits. The injection method with the highest resultant fidelity minimises the need for resource-intensive state distillation.
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Matthew Goh (University of Oxford)12/12/2022, 12:00
We propose a new, low-loss method of cooling neutral alkali atoms to quantum degeneracy by optical feedback control. We present full-field quantum simulations demonstrating the viability of the technique, and show robustness to realistic experimental imperfections.
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Shuo Ma12/12/2022, 12:00COMMAD: Semiconductor materials, devices, and technologiesTalk (preferred)
We report high-quality MBE growth and a mechanical property study of HgCdSe layers on GaSb (211) substrates. Both the crystal quality and the mechanical properties of HgCdSe have been demonstrated to be comparable to those of HgCdTe
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Erin Grant (The University of Melbourne)12/12/2022, 12:00
We have developed a measurement platform that can report the T1 spin lattice relaxation time from an ensemble of fluorescent nanodiamonds in solution. This platform can be used for rapid material characterisation and chemical sensing in a convenient cuvette-based approach.
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Emil Johansen12/12/2022, 12:00
By adopting a Maxwell-Einstein picture of a (2+1)-dimensional superfluid it is predicted that vortex quasi-particles (kelvons) posses an intrinsic spin. We examine the possibility of implementing topological non-abelian geometric phases on such kelvon spins.
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Michael Mews12/12/2022, 12:00
This presentation addresses the design and implementation of the pyrate software system developed within the context of the SABRE experiment for dark matter direct detection. The system is oriented at processing and analysing the data collected by the experiment.
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Gang-Ding Peng12/12/2022, 12:00WSOF: Advances and new developments in specialty fibresInvited talk
We report recent progresses and discuss key technical challenges in research and development of specialty silica optical fibres via 3D printing technologies.
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Madison Simmonds12/12/2022, 12:00
Designing Hartmann wavefront sensor telescopes for improved sensing of thermal aberrations in large diameter optics inside gravitational wave interferometers.
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Chris Perrella (University of Adelaide)12/12/2022, 12:00ANZCOP: Optical sensorsTalk (preferred)
The measurement of optical wavelengths using speckle is a promising tool for compact and precise wavemeters/spectrometers. We explore the limits of a speckle pattern-based wavemeter, aiming to achieve a measurement precision better than an attometer.
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Marwan Haddara (Centre for Quantum Dynamics, Griffith University, Gold Coast, Queensland 4222, Australia)12/12/2022, 12:15
We demonstrate a logical no-go theorem on a version of the Wigner's friend thought experiment which strengthens previous device-independent no-go results and opens new questions on the interface of quantum foundations and modal logic.
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Spiro Gicev (University of Melbourne)12/12/2022, 12:15
We have developed an artificial neural network decoding technique for large scale surface codes with complex boundaries suffering a variety of noise models.
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Mr Ahmed Sanny (University of Cologne, Macquarie University)12/12/2022, 12:15ANZCOP: AstrophotonicsTalk (preferred)
An integrated optic 4-telescope beam combiner is being developed for the detection of exoplanets using nulling interferometry. The beam combiner, fabricated using ultrafast laser inscription, is optimised for achromatic behaviour in the mid-infrared (3.5-4.0 µm).
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Tapio Simula12/12/2022, 12:15
This is theoretical work on quantised vortices in superfluids with a specific focus on connections between the theory of rotating neutral superfluids, topological quantum computation, and gravitation endowed by an acoustic metric.
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Ella Walsh12/12/2022, 12:15
In the practical implementation of relaxometry techniques, systematic errors arise in the quantum state preparation that need to be mitigated for the accurate monitoring of external stimuli. This talk presents strategies to address such limitations for practical applications.
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Yi Jiang (The University of Melbourne)12/12/2022, 12:15COMMAD: Advanced materials growth and synthesisTalk (preferred)
Here we report the optimization of the growth of superconducting boron doped diamond on insulating diamond substrates via microwave plasma chemical vapor deposition (MPCVD) using a 3D-printed titanium Faraday cage, which leads to superior uniformity in growth and boron incorporation.
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Emily Filmer (University of Adelaide (AU))12/12/2022, 12:15
Long Lived Particles are predicted in many BSM models. This is an overview of previous analyses to highlight where missing energy, with additional data may be more sensitive to SUSY signals, or to help set limits on supersymmetric particle masses.
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Carl Blair (University of Western Australia)12/12/2022, 12:15
In this talk, we will present our latest developments of the advanced low-frequency rotational accelerometer that has direct utilization in seismology applications and seismic isolation in gravitation wave detectors.
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Mark Watson (The University of Queensland)12/12/2022, 14:00
Rotational Optical Tweezers provides a unique tool to perform dynamic microrheology of intracellular vesicles using an internalised vaterite microsphere. Here, we discuss the required calibration of trapping power and the probe radius for successful microviscometry.
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Dr Nora Tischler (Centre for Quantum Dynamics, Griffith University, Brisbane, Australia)12/12/2022, 14:00
Artificial intelligence is a powerful tool for science, but an important question is how to extract true scientific understanding. We present a method that enables new understanding, and demonstrate its application to quantum photonics.
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Prof. Luke Mawst (University of Wisconsin-Madison)12/12/2022, 14:00COMMAD: Materials and device characterisationsInvited talk
The growth of QCLs requires an understanding of the interfacial properties of the superlattice (SL) active region. Atomic probe tomography is used to elucidate the interfacial properties within the QCL, and incorporate these observed properties into advanced QCL designs.
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Wally Melnitchouk (Jefferson Lab)12/12/2022, 14:00
We report on recent advances in reconstructing the internal quark and gluon structure of the nucleon through global QCD analysis of high energy scattering data.
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Prof. Gerd Leuchs (Max Planck Institute for the Science of Light)12/12/2022, 14:00
OPTICA Vice-President Keynote Talk
Authors: Gerd Leuchs 1,2,3, Vsevolod Salakhutdinov 1, Margaret Hawton 4, Luis L. Sánchez-Soto 1,5
1 Max Planck Institute for the Science of Light, Erlangen, Germany
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2 Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany
3 Nexus for Quantum Technologies, University of Ottawa, Canada
4 Lakehead University, Thunder Bay, Canada
5 Universidad... -
Kirrily Rule (Australian Nuclear Science and Technology Organisation)12/12/2022, 14:00Unveiling emergent physics of novel functional materials with neutron scatteringInvited talk
In this talk I will discuss recent dynamic neutron scattering results from two natural minerals, linarite and atacamite, detailing the extent of our knowledge of these two copper oxide materials.
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Lloyd Hollenberg12/12/2022, 14:00
The immediate prospects of solving real-world problems on near-term Noisy Intermediate Scale Quantum hardware is largely dictated by device noise/errors. We have developed an alternative approach to error mitigation strategies based on quantum computed moments to improve energy/cost function results.
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Alessandro Tuniz (The University of Sydney)12/12/2022, 14:00WSOF: Photonic crystal, microstructured, and hollow core fibersInvited talk
We discuss Figures of Merit for quantifying the sensing performance of hollow-core terahertz light cages with respect to free space propagation. Our results point to light cages as a way of improving terahertz phase sensing capabilities.
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Mr Ethan Payne (California Institute of Technology)12/12/2022, 14:00
The gravitational-wave observation of GW200129 hinted at the presence of spin-precession - an important observation for understanding black-hole binary formation. We discuss how this observation may instead be attributed to noise transients in the gravitational-wave detectors.
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Daniel Terno12/12/2022, 14:15
Black holes, white holes and wormholes can be treated in a unified fashion. Starting from two natural assumptions many of their properties, sometimes in conflict with the usual semiclassical expectations, can be obtained.
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Carl Adrian Campugan (University of Adelaide)12/12/2022, 14:15
Using optical tweezers for the better understanding of how the microrheology of reproductive cells and their local environment during in vitro procedures is correlated to embryo development, implantation success, pregnancy, and live birth.
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Prof. Anita Mahadevan-Jansen (SPIE President Elect)12/12/2022, 14:30
This presentation will cover the translation of optical imaging to address challenges in endocrine surgery. Three different techniques will be used to (a) detect the parathyroid gland, (b) perfusion of the gland and (c) visualize the nerves during surgery.
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Arjen Vaartjes (PhD student)12/12/2022, 14:30
High spin donor atoms are objects of interest in semiconductor quantum architectures due to their large Hilbert space dimensionality. Here we demonstrate high fidelity coherent control over the 16-dimensional Hilbert space of a single 123-Sb atom implanted in silicon.
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Raj Patel (Imperial College London)12/12/2022, 14:30
Gaussian Boson Sampling (GBS) is a prominent model of quantum computing. We experimentally demonstrate both GBS with displacements and with time-bin encoding for the first time. The latter is used to search for dense sub-graphs.
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Ioannis Soranidis (Macquarie University)12/12/2022, 14:30
Physical black holes are considered to be trapped regions bounded by the apparent horizon. Even though assuming that semi-classical physics is valid and curvature is not diverging there, other things suggest that the apparent horizon is a mildly singular surface.
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Mr Kyle Netz (University of Adelaide)12/12/2022, 14:30ANZCOP: Optical sensorsTalk (preferred)
Calculating the Larmor precession phase evolution to measure magnetic fields at arbitrary frequencies with an Non-linear Magneto-Optical Rotation (NMOR) atomic magnetometer.
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Zain Mehdi (The Australian National University)12/12/2022, 14:30
We present a microscopic theory of thermally-damped vortex motion in oblate atomic superfluids, providing a microscopic origin for the damping and Brownian motion of quantized vortices in two-dimensional atomic superfluids, which has previously been limited to phenomenology.
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Mr Chern Yang Leong (The Hong Kong Polytechnic University)12/12/2022, 14:30
A tactile sensitive silicone-based artificial skin is fabricated on a fingertip model with embedded ZEONEX-based polymer Bragg gratings. Through tactile force feedback and the aid of machine learning, contact localization throughout the fingertip is achieved.
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Clemens Ulrich (The University of New South Wales)12/12/2022, 14:30Unveiling emergent physics of novel functional materials with neutron scatteringInvited talk
The data provide new aspects about the scaling behavior of the skyrmion and helical distances. This offers new valuable information on the parameters in the spin Hamiltonian, which are responsible for the formation of the fascination quantum protected objects.
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Xiao Sun (Curtin University)12/12/2022, 14:30COMMAD: Semiconductor materials, devices, and technologiesTalk (preferred)
In this work a 3D CdTe layer was grown on 2D Sb2Te3 nanosheets through molecular beam epitaxy, subsequently the heterostructure at the interface was studied by TEM, suggesting high quality epitaxial growth materials promising for applications in future optoelectronic devices.
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Tom Hadavizadeh (Monash University (AU))12/12/2022, 14:30
The beauty and charm quarks are ideal probes of perturbative Quantum Chromodynamics, owing to their large masses. The formation of hadrons from quarks produced in different parton-parton interactions within the same proton-proton collision is studied using doubly-heavy hadrons.
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Sergei Slussarenko12/12/2022, 14:45
We employ heralded amplification and quantum state teleportation to implement a channel capable that corrects for loss in quantum communication. Our channel genuinely outperforms direct transmission through high amount loss without relying on postselection.
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Ben Grace12/12/2022, 14:45
This talk focuses on work completed in adapting continuous gravitational wave search techniques, currently only sensitive to long lived stable neutron stars, to be suited to detecting young neutron stars with rapidly changing frequency.
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Dr Danielle Holmes (UNSW, Sydney)12/12/2022, 14:45
The deterministic implantation of single donors in silicon is realised using ion beam induced charge detectors. This will enable the fabrication of arrays of donor spin qubits, required to scale up the promising quantum computing platform of donors in silicon.
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Qiang Sun12/12/2022, 14:45ANZCOP: Optical sensorsTalk (preferred)
We model the effects of coating nanodiamonds with glass, to mitigate some of the particle-to-particle variability with as-received nanodiamonds by creating a more uniform spherical shape. Such new particles represent a new platform for multi-function quantum biosensing.
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Lauren McQueen12/12/2022, 14:45
I will outline recent work towards developing a nanometer sized acoustic sensor based on 1D photonic crystals, which can be used for fibre-based optomechanical acoustic sensing.
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Prof. Aleksandar Rakić (The University of Queensland)12/12/2022, 14:45COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsTalk (preferred)
Terahertz sensing holds promise for applications in precision agriculture due to the sensitivity of terahertz waves to hydration.
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Here we present a laser-based terahertz imaging technique to evaluate temporal change of hydration in leaves. -
Curtis Abell12/12/2022, 14:45
By performing a combined analysis of data from pion-Nucleon scattering experiments with first-principles calculations from lattice QCD, we gain insight into the composition and structure of the low-lying odd-parity Nucleon resonances.
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Prof. Andy Martin (University of Melbourne)12/12/2022, 14:45
When subjected to a rotating magnetic field, the resulting precession of the dipole moments of a dipolar BEC imparts angular momentum to the system. We show how this can be used to generate vortex lattices, as observed in recent experiments.
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Sophie Stearn (The Australian National University)12/12/2022, 15:00
Different methods for compiling analog quantum control pulses for the diamond quantum processor, speed and error benefits of using analog control, and semi-analytical optimisation of analogue control pulses.
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Prof. Cather Simpson (The University of Auckland)12/12/2022, 15:00
Skin and prostate cancer have quite high incidence rates in New Zealand, Australia and the rest of the world. Identifying suspicious tissue for diagnostic and biopsy is a core challenge for treating both of these diseases. Optical spectroscopy offers rich datasets to improve the identification of diseased tissue. This presentation will discuss our recent advances.
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Gary Mooney (University of Melbourne)12/12/2022, 15:00COMMAD: Quantum computing and circuitsTalk (preferred)
We generate and verify entanglement in sizeable multiqubit states prepared on IBM Quantum superconducting devices. We report the detection of whole-device bipartite entanglement on a 65-qubit quantum device and genuine multipartite entanglement over all qubits of a 27-qubit quantum device.
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Dr Stephan Rachel (University of Melbourne)12/12/2022, 15:00Unveiling emergent physics of novel functional materials with neutron scatteringInvited talk
In this talk, I first introduce the Kitaev spin liquid and discuss its properties. I present some stunning features such as the formation of Majorana fermion Landau levels.
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Simeon Simjanovski (The University of Queensland)12/12/2022, 15:00
We apply machine learning methods to control and optimise the stirring protocol imposed on Rubidium-87 Bose-Einstein condensates in experiment. The optimisation allows for controlled generation of various persistent current states albeit with no universal optimum stirring parameters.
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Nora Tischler12/12/2022, 15:00
Quantum autoencoders use machine learning techniques to compress quantum data and are predicted to be useful for noise mitigation. Our ongoing work aims to experimentally demonstrate denoising of four-dimensional quantum states.
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Samuel Drake (Flinders University)12/12/2022, 15:00
Exact solutions to Einstein's field equations are notoriously difficult. In this work we obtain expressions for the metric tensor for the interior of a star, i.e., for static spherically symmetric space-times with positive and monotonically decreasing density and pressure.
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K. Utku Can (The University of Adelaide)12/12/2022, 15:00
I focus on the QCDSF/UKQCD/CSSM lattice collaboration's advances in calculating the forward Compton amplitude of nucleon via an implementation of the second-order Feynman-Hellmann theorem. I highlight our progress on investigating the low moments of (un)polarised structure functions of the nucleon.
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Simon Fleming12/12/2022, 15:00ANZCOP: Optical sensorsTalk (preferred)
We report on a polyurethane capillary fiber sensor that transduces body movements containing information of physiological parameters such as respiratory and pulse rates. We also investigate key factors, like transfer function, for successful system design.
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Maarten Christenhusz (University of Queensland)12/12/2022, 15:15
We study the behaviour of drag in superfluids and observe the universal relation between the Reynolds number and drag coefficient in superflow. This establishes hydrodynamic scale invariance extends into the limit of quantum fluids.
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Kenji Shimizu (Griffith unversity)12/12/2022, 15:15
Fast two-qubit phase gates with trapped-ions are feasible with an expected gate fidelity of 77.8% using a sequence of our ultrafast picosecond laser $\pi$-pulses. Such sub-microsecond gate operations support the development of scalable quantum computers.
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Darcy Smith (Future Industries Institute, University of South Australia)12/12/2022, 15:15
We exploit the complex nature of light transmission through multimode fibre for distributed fibre temperature sensing. This is achieved by training a regression deep neural network for extracting distributed temperature information from fibre wavelength spectra.
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Nelson Tansu12/12/2022, 15:15COMMAD: Advanced computational and machine learning methods in photonics, nanoelectronics, and devicesTalk (preferred)
We present the machine learning design of nanoscale-engineered InGaN-based QW with ten sublayers for enhanced performance based on a heuristic algorithm. Such a design approach can achieve significant improvements in the material gain characteristics and current density of QW.
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Joshua Guanzon (The University of Queensland)12/12/2022, 15:15
We discovered a new practical method of perfectly amplifying and teleporting multiphoton light. It is shown to be better than established alternatives. This type of amplifier is useful for a huge variety of quantum technologies.
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Alexei Tikhomirov (DSTG)12/12/2022, 15:15ANZCOP: Optical sensorsTalk (preferred)
Refinement and adaptation of the distributed feedback fiber laser based hydrophone for the remote monitoring of marine traffic is reported. Hydrophone bandwidth and multiplexing noise have been mitigated; a substantial increase in hydrostatic pressure compensation depth has been demonstrated.
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Joshua Foo12/12/2022, 15:15
In quantum gravity, it is anticipated that there exist "quantum superpositions of spacetime". Here, I develop a framework for constructing such superpositions to analyse a mass-superposed black hole. My results corroborate Bekenstein's conjecture for the mass quantisation of black holes.
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Mr Timothy Martonhelyi (School of Physics, The University of Melbourne, Victoria 3010, Australia)12/12/2022, 15:15
Pertaining to the analysis of heavy vector production at the LHC, this project focuses on vector boson fusion as the dominant production channel for heavy vector triplets and presents limits within the relevant parameter space.
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Prof. Stuart Jackson (Macquarie University)12/12/2022, 16:00
There is growing interest in developing visible light-emitting fibre lasers. Currently, they rely on fluoride-fibre but for some transitions silicate fibre may be suitable. Here I review silicate-based fibre lasers and offer ideas for allowing them to generate visible light.
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Melissa Mather (University of Nottingham)12/12/2022, 16:00
Nitrogen Vacancies in diamond nanoparticles are employed for in situ monitoring of the magnetic state of photomagnetic materials down to the single particle level, the stability of molecular cages containing atomic Nitrogen, and spin active products of photocatalysis.
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Siobhan Tobin (University of Oxford)12/12/2022, 16:00Unveiling emergent physics of novel functional materials with neutron scatteringInvited talk
In this talk I will present work on the magnetic excitations of two contrasting strongly correlated electron systems.
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Prof. Peter Hannaford (Optical Sciences Centre, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia)12/12/2022, 16:00
We present an overview of recent research in our Atom Optics lab, including the development of magnetic optical elements for manipulating beams of ultra-cold atoms, magnetic microstructures, and time crystals using ultra-cold atoms bouncing on an atom mirror.
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Dr Denitza Denkova (Institute for Bioengineering of Catalonia (IBEC))12/12/2022, 16:00
We present an optical methodology for classifying embryo metabolism based on hyper-spectral imaging and artificial intelligence. It successfully distinguishes oocytes from old and young mice and control from metabolically altered embryos, with potential to empower embryologists in in-vitro fertilization clinics.
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Nicholas Menicucci (Centre for Quantum Computation and Communication Technology, School of Science, RMIT University, Melbourne, VIC 3000, Australia)12/12/2022, 16:00
Optical quantum computing with continuous variables offers the tantalising promise of room-temperature operation and vast scalability. Here I present an overview of recent key advances in scalability and fault tolerance with this platform.
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Dr Buddini Karawdeniya (Australian National University)12/12/2022, 16:00COMMAD: Nanoelectronic and nanophotonicsInvited talk
We present single-molecule level sensing of biomarkers by a solid-state nanopore sensor, a next-generation nanoelectronic sensor, as a diagnostic tool at ultra-low concentrations and volumes. We are now exploring protocols to operate in complex samples like blood and saliva.
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899. There and Back Again: Demonstration and Future of an Optical Atomic Clock Beyond the LaboratorySarah Scholten (Institute for Photonics and Advanced Sensing, University of Adelaide)12/12/2022, 16:00
Optical atomic clocks combined with the proliferation of compact optical frequency combs, offer higher inherent timing stability versus their current microwave counterparts. We detail the development and demonstrations of our portable optical atomic clock technology with bespoke comb outside the laboratory under rugged conditions, and outline future directions.
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Ross Young12/12/2022, 16:00
We report on a recent determination of the weak charge of the proton in parity-violating electron–proton scattering. The result is in excellent agreement with the standard model prediction, providing bounds on new physics interactions at the multi-TeV mass scale.
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Sepehr Ahmadi12/12/2022, 16:15
We measure NMR signals via their modulation of the NV spin-state dependent red photoluminescence intensity using a time-resolved quantum heterodyne detection scheme.
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Nikita Simakov (DSTG)12/12/2022, 16:30
Energising and interrogating distributed feedback fibre laser hydrophones in remote deployment scenarios requires management of the propagation loss, optical nonlinearity and judicious selection of the pump wavelength. We characterise the system for a range of pump wavelengths spanning from 1480-1540nm.
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David Cortie12/12/2022, 16:30Unveiling emergent physics of novel functional materials with neutron scatteringInvited talk
Here I briefly develop a theory of the experimental signature of a hypothetical time-crystal using neutron spectroscopy as a probe of the coherent dynamics in a lattice system, assuming a suitable driving mechanism such as intense terahertz light.
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Nima Dehdashti (University of Western Australia)12/12/2022, 16:30COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsTalk (preferred)
We present high performance HgCdTe infrared photodetectors for sensing applications in the mid-wave spectral band of 3~5 μm based on the n-on-p technology.
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Cedric Simenel12/12/2022, 16:30
We highlight the potential uncertainties that may arise from the nuclear components of WIMP-nucleus scattering amplitudes, due to nuclear structure theory within the framework of the nuclear shell model.
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Saleh Allehabi12/12/2022, 16:30
- Study metastable excited states for these ions as clock transitions in optical clocks.
- Calculating several atomic properties.
- CI+SD and CIPT methods are used.
- Black body radiation (BBR) found 10^-16-10^-18.
- The enhancement coefficient reached K= 8.3.
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Sarath Raman Nair (ARC Centre of Excellence for Engineered Quantum Systems and School of Mathematical and Physical Sciences, Macquarie University, Australia)12/12/2022, 16:30
We present the theoretical study of diamond spin maser magnetic field sensor’s limitations considering a detailed photo-physics of the spins. We also present our progress towards the experimental realization of such a sensor.
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Lucile Sanchez12/12/2022, 16:30
We study spin-exchange collision as a route to thermally robust entanglement of two atoms in a microtrap. For probing it, we perform a Hong-Ou-Mandel experiment in which a Raman transition pulse plays the beam splitter role and compare with simulation.
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Blayney Walshe (Centre for Quantum Computation and Communication Technology, School of Science, RMIT University, Melbourne, VIC 3000, Australia)12/12/2022, 16:30
Cluster states in continuous-variable quantum computing come in various configurations. The authors demonstrated a significant drop in the required quality of a particular configuration. Here, we also present those improvements in other configurations.
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Laura Hung12/12/2022, 16:30
Research into a novel silk-hybrid material with capabilities of detecting pH changes in wound fluid via fluorescence spectroscopy may be implemented to assist in early detection of wound infection.
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Ms Georgia Bolingbroke (University of Adelaide)12/12/2022, 16:45
We describe the development of ultra-stable single-frequency 10W thulium fibre master oscillator power amplifiers at wavelengths between 1900nm and 2050nm, for gravitational wave detection. Environmental isolation and minimal wavelength drift is achieved using a two-stage temperature-controlled mount.
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QI FANG (The University of Western Australia)12/12/2022, 16:45
We present a compact, wireless imaging probe using a cost-effective camera-based technique, stereoscopic optical palpation, towards intraoperative tumour assessment for breast cancer surgery. This probe could help surgeons effectively remove cancer during the operation, reducing the need for follow-up surgery.
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Di Wang (University of Melbourne)12/12/2022, 16:45
We investigate the photo-physics of the nitrogen vacancy centre to improve the optical readout fidelity by designing a new decomposition technique to extract spin state information.
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Rohan Glover (The University of Adelaide)12/12/2022, 16:45
We investigate excitation of atoms using extremely short pulses of light with intensities above $10^{14}$ W/cm$^2$. The carrier-envelope-phase of the pulse modifies the interaction and marks a change in the dynamics.
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Oleg Bannik (The University of Western Australia)12/12/2022, 16:45COMMAD: Semiconductor materials, devices, and technologiesTalk (preferred)
We discuss fabrication challenges to realize plasmonic MEMS-enabled tunable LWIR filter consisting of a suspended perforated gold membrane with a vertically actuated thin silicon structure above it.
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Dominic Berry (Macquarie University)12/12/2022, 16:45
We provide a quantum algorithm for time-dependent differential equations with only logarithmic dependence on the error and derivative. It can be applied to discretised partial differential equations for simulation of classical physics.
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Mikolaj Schmidt (Macquarie University)12/12/2022, 16:45
In this work, we show that light emitted from generic Ultra-Strongly Coupled system demonstrates suprising, unbounded strong bunching of photons. We explain the origin of this effect, its dependence on driving mechanism, and discuss potential applications.
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Ayse Kizilersu (University of Adelaide)12/12/2022, 16:45
The quark-gluon vertex is an important ingredients of one of the strong interaction. It is an essential ingredient in functional approaches to nonperturbative quantum chromodynamics. We will summarise the latest developments in quark-gluon vertex and its implications in hadron physics.
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Ryszard Buczynski12/12/2022, 17:00
We present the experimental study of active nanostructured fiber devoted to simultaneous laser emission at two wavelengths, 1040 nm and 1534 nm. The fiber core is formed with two types of nanorods doped with ytterbium and erbium ions.
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Christina Giarmatzi (University of Technology Sydney)12/12/2022, 17:00
We provide a suite of methods to discover the causal model of a quantum process. It is the first complete toolkit for quantum causal discovery, taking into account experimental and computational limitations.
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Maxwell West12/12/2022, 17:00
We investigate employing quantum machine learning algorithms for B meson flavour tagging, an important component of the experiments at Belle-II which study heavy quark mixing, CP violation and the matter-antimatter asymmetry of the universe.
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Teng Lu (Research School of Chemistry, The Australian National University, Canberra, ACT, Australia)12/12/2022, 17:00Unveiling emergent physics of novel functional materials with neutron scatteringInvited talk
To reveal the critical role of the A-site molecular ions in the polarization-related properties, we investigate three MOFPs that have the same Mg(HCOO)3− frameworks with different molecular ions: [CH3NH3][Mg(HCOO)3] (MA-MOF), [(CH3)2NH2][Mg(HCOO)3] (DMA-MOF), and [C(NH2)3][Mg(HCOO)3] (GUA-MOF).
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541. Extending the low-frequency limit of qubit noise spectroscopy beyond the inverse dephasing timeXi Yu (University of New South Wales)12/12/2022, 17:00
We propose and demonstrate a novel spectroscopy method on donor spin qubit in silicon, which resolves the challenge of low frequency noise estimation with fine resolution
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Shubhashree Swain (PhD Candidate, The University of Western Australia)12/12/2022, 17:00COMMAD: Nano/micro-fabrication and processingTalk (preferred)
In this paper, we present the proof of concept of a fast silicon nitride photonic switch with MEMS actuation by using conventional lithography. Fabrication and optical characterisation of the device have been demonstrated successfully.
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Thomas Chambers (University of Adelaide)12/12/2022, 17:00
Radioactive Noble Gas isotopes are ideal tracers of environmental processes. Due to their low abundances, a lack of measurements is a limitation in climate modelling. We present progress towards an Atom Trap Trace Analysis (ATTA) facility for overcoming this limitation.
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Yueying Cao12/12/2022, 17:00
We have developed a nanoparticle tracking method for direct observation of the in-vitro BBB penetration process, enabling in-depth studies of the mechanisms and pathways for nanoparticle agents to penetrate the blood-brain barrier.
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Emily Ahern12/12/2022, 17:15
We report upon a prototype optical clock using a two-colour two-photon transition in Rubidium, toward developing a compact alternative for the next generation GNSS.
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AJ Mitchell12/12/2022, 17:15
This presentation describes an experimental study of the highest-multipole transition known in nature$-$the proposed E6 $\gamma$-decay of $^{53m}$Fe$-$ and attempts to understand this rare process through Shell Model calculations performed in the full fp-shell model space.
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Abel Santos12/12/2022, 17:15COMMAD: Materials and device characterisationsTalk (preferred)
Engineering of randome lasing in nanoporous photonic crystals
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Dr Asma Khalid (RMIT University)12/12/2022, 17:15
Our work aims to develop a naturally extracted, transparent silk fibroin dressing, integrated with temperature and pH sensors, capable of monitoring early signs of infections, healing disruptions and scar formation via light-based measurements.
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YunHeng Chen (Australian National University)12/12/2022, 17:15
In this work, we introduce a semi-ab initio method for modelling the bound-hole states of the negatively-charged NV center (NV-). Our semi-ab initio approach can be readily adapted to other deep defects in semiconductors.
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Tamara Davis (University of Queensland)12/12/2022, 19:30Invited talk
What is expanding space? What came before the big bang? Is there an edge to space? What’s beyond the horizon of a black hole? What can the amazing images from the James Webb Space Telescope tell us?
When I'm having a chat with family and friends, these are the questions I’m asked.
So upgrade your repertoire for cocktail party conversation by learning about these and other cosmological...
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Prof. Jeremy O'Brien (University of Western Australia and PsiQuantum)13/12/2022, 09:00
Many efforts around the world are now pursuing the ambitious goal of utility-scale, fault-tolerant quantum computing. Consistent themes are emerging across the field, as teams attempt to scale from existing small systems to the millions of qubits needed for useful applications. Systems partitioning, manufacturability, cooling power, networking, and control electronics are recurring challenges...
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860. From Quantum in Pictures to practical Natural Language Processing, Music, and understandable AIProf. Bob Coecke (Quantinuum Ltd.)13/12/2022, 09:45
This talk requires no particular technical mathematics background, as I will talk entirely in terms of simple pictures. These are the pictures of my new book, "Quantum in Pictures" [1], which is aimed at the teenage enthusiast, and pretty much everyone else too - the book had a more technical predecessor [2].
One finds the same pictures in natural language, and much of the high-level...
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Prof. Cheng-Wei Qiu (National University of Singapore)13/12/2022, 11:00
We experimentally realize intrinsic chiral metasurfaces where the engineered slant geometry breaks both in-plane and out-of-plane symmetries. Our result achieves intrinsic chiral bound states in the continuum with near-unity CD of 0.93 and quality factor exceeding 2300 for visible frequencies.
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Prof. Ivana Gasulla (ITEAM Research Institute, Universitat Politècnica de València, Valencia, 46022, Spain)13/12/2022, 11:00ANZCOP: Fibre & communicationsInvited talk
Beyond high-capacity communications, space-division multiplexing fibers bring many advantages to optical and microwave signal processing, as not only space but also chromatic dispersion are introduced as new degrees of freedom.
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William Detmold13/12/2022, 11:00
Finite-volume pionless effective field theory is an efficient framework with which to perform the extrapolation of finite-volume lattice QCD calculations of multi-nucleon spectra and matrix elements to infinite volume and to nuclei with larger atomic number. Recent progress is reviewed.
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Dr Francois Chenard (IRflex Corporation)13/12/2022, 11:00WSOF: Industrial applications and commercialisationInvited talk
Silica hollow-core fibers (HCFs) are leading the way in advanced telecommunications and ultra- short pulse laser transmission. Chalcogenide HCFs will become the holy grail of CO2 laser transmission at 10.6 microns.
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Niels Quack (The University of Sydney)13/12/2022, 11:00
Our recent advances in wafer-scale integration of Micro-Electro-Mechanical Systems in Silicon Photonics have shown high performance tuneable couplers, filters, switches, and phase shifters that provide an advanced technology basis for emerging applications requiring very large-scale photonic integration such as programmable photonics.
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Prof. Andrew Doherty (The University of Sydney)13/12/2022, 11:00
We analyse the performance of Gottesman Kitaev Preskill quantum error correcting codes during gates and under realistic noise such as loss and dephasing using a new subsystem decomposition.
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Dr Catalina Curceanu (Istituto Nazionale di Fisica Nucleare)13/12/2022, 11:00
We are experimentally investigating possible departures from standard quantum mechanics’ predictions at the Gran Sasso underground laboratory in Italy. We are searching for signals predicted by dynamical collapse models, and signals indicating a possible violation of the Pauli Exclusion Principle.
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Dr Grace Causer (Physik-Department, Technische Universität München)13/12/2022, 11:00AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
In this talk I will discuss near-surface small-angle neutron scattering (NS-SANS), performed slightly above the critical angle of reflection, as a route to overcome the shortcomings of transmission SANS for extremely small magnetic sample volumes in the thin-film limit.
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Prof. Warwick Bowen (University of Quensland)13/12/2022, 11:00
Room temperature optomechanical squeezing would enable many applications in sensing and quantum computing. However, decoherence makes this challenging. I will present work which show large suppression of decoherence at low mechanical frequencies, opening a path towards room temperature quantum technologies.
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Dr Wade Hawkins (Clemson University)13/12/2022, 11:30
Abstract:
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This talk explores the fabrications processes and “many knobs” that must be turned to achieve low nonlinearity performance in modern optical fibers.
Active optical fibers that exhibit intrinsically low nonlinearities such SBS supression or increased TMI thresholds is the end research goal for many groups. Materially, these phenomena are well understood, as is the method to achieve... -
Csaba Balazs13/12/2022, 11:30
I give an update on the Global And Modular BSM Inference Tool and show the latest results for a model where the gravitino and the lightest neutralinos and charginos are the only light sparticles in the Minimal Supersymmetric Standard Model.
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Prof. Baohua Jia (RMIT University)13/12/2022, 11:30
We developed scalable graphene metamaterials that show attractive optical and thermal properties. Through patterning with advanced laser nanoprinting technique, functional photonic devices with ultrathin, light weight and flexible nature have been demonstrated promising exciting opportunities for integrated photonics.
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Dr Zixin Huang (Macquarie University)13/12/2022, 11:30
We present a general framework for using quantum error correction codes for protecting and imaging starlight received at distant telescope sites, which can enable long-baseline optical interferometry.
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Pedro C.S. Costa (Macquarie University)13/12/2022, 11:30
We prove a rigorous form of the adiabatic theorem for a discrete time evolutions. We use this discrete theorem to develop a quantum algorithm for solving linear systems that matches the known lower bound on the complexity of $\kappa$.
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Daniel Higginbottom13/12/2022, 11:30ANZCOP: Quantum opticsTalk (preferred)
Spin-photon devices for on-chip silicon photonic quantum networks are demonstrated using the silicon T centre, a spin photon interface boasting long-lived spin qubits and spin-resolving optical transitions in a telecommunications band.
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Marcos Maestre Morote13/12/2022, 11:30ANZCOP: Fibre & communicationsTalk (preferred)
We built an apparatus that measures high-speed spectrally resolved mode transmission matrices. The field and modal coefficients were extracted at 3.8KHz, four times faster than the acquisition rate. This speed enables potential applications such as real-time imaging though multimode fibres.
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Prof. Xiaolin Wang (University of Wollongong)13/12/2022, 11:30AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
I will introduce the concept of Spin gapless semiconductors (SGSs) and their unique features, highlighting the Dirac-type SGS which offers an ideal platform for massless spintronics and quantum anomalous Hall effect with a dissipationless edge state.
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Jia Wang (Swinburne University of Technology)13/12/2022, 11:30
We investigate the nonlinear response of heavy impurity in ultracold Fermi gases and superfluid with a numerically exact approach. Our results are highly relevant for polaron physics.
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Dr Gabriele de Boo (UNSW Sydney)13/12/2022, 11:30COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsTalk (preferred)
We investigate the charge dynamics following the optical excitation of a single erbium ion inside a silicon FinFET. We observe a latched charge signal that depends on gate voltage, optical intensity and optical pulse length.
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Matthew Davis (The University of Queensland)13/12/2022, 11:45
We investigate quantum spin systems realised in a dilute gas of ultracold polar molecules pinned in a deep optical lattice. We discuss a novel disorder mechanism for engineering many-body localisation, and explore the system's non-equilibrium dynamics in one and two-dimensions.
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Anastasiia Tukova13/12/2022, 11:45COMMAD: Nano/micro-fabrication and processingTalk (preferred)
Au-Ag nanostars, with enhanced plasmonic properties due to multiple “hot-spots” on the tips, stabilized in BSA@PBS buffer solution without formation of protein corona. The prepared nanostructures were stable in biological fluid and preserved their original enhanced optical activity.
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Michael Copeland (Australian National University)13/12/2022, 11:45ANZCOP: Fibre & communicationsTalk (preferred)
We report on development of a transmitter and receiver for lunar optical communications. The instruments will be installed on the ANU Optical Communications Ground Station (OCGS) at Mt Stromlo Observatory in Canberra, Australia.
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Luke Trainor (University of Otago)13/12/2022, 11:45ANZCOP: Quantum opticsTalk (preferred)
We present an erbium-doped optical resonator with a quality factor of $10^8$ and up to 1.2GHz of coupling to an optical transition. By probing the optical resonances we can measure the erbium's response to microwave excitation of its spin transition.
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Dominic Berry (Macquarie University)13/12/2022, 11:45
Topological data analysis is an important way of understanding features of data, but can be exponentially hard classically. We present new ways of performing topological data analysis on a quantum computer with improved complexity.
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Parth Girdhar (UNSW)13/12/2022, 11:45
We explore how generalisations of the Heisenberg principle arising from modified canonical commutation relations can produce significant effects in recent observations of optomechanical backaction noise, as well as in quantum trajectories of moments derived from general continuous position measurements.
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Waseem Kamleh (University of Adelaide)13/12/2022, 11:45
Where does your mass come from? The Higgs mechanism only accounts for 1% of the proton mass. We reveal how centre vortices connect emergent phenomena such as quark confinement and dynamical mass generation with the QCD vacuum state.
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Shuo Ma13/12/2022, 12:00COMMAD: Semiconductor materials, devices, and technologiesTalk (preferred)
In this work, HgCdTe infrared detectors are taken as an example to simulate and study the mechanical and optoelectronic properties of HgCdTe infrared material under curved conditions in order to understand the feasibility of fabricating curved HgCdTe image sensors.
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Dr Chathura Bandutunga (Australian National University)13/12/2022, 12:00ANZCOP: Fibre & communicationsTalk (preferred)
We present an all-optical-fibre frequency reference with a state-of-the-art short-term stability of 0.1 Hz/$\sqrt{\text{Hz}}$, limited by double Rayleigh backscattering. The system also reaches the fibre thermal noise limit at infrasonic frequencies.
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Lewis Williamson13/12/2022, 12:00
We explore finite-temperature phases of a spin-1 ferromagnetic Bose gas, identifying mass and spin BKT transitions, a vortex plasma phase, and novel critical scaling of spatial correlations.
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FRANCOIS CHENARD13/12/2022, 12:00WSOF: Photonic crystal, microstructured, and hollow core fibersTalk (preferred)
A solid-core endlessly single mode mid-infrared polarization-maintaining photonic crystal fiber (PM-PCF) made of chalcogenide glass with an asymmetric pattern of longitudinal holes having different periods and diameters is presented. Simulation and experimental results are given.
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Dr Thomas Volz (Macquarie University)13/12/2022, 12:00
In this talk we will show how a spectral filter, together with a weak Kerr nonlinearity, can be used to tune, and improve, the photon statistics of the spontaneous emission of a strongly-confined exciton-polariton system.
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Khosro Zangeneh Kamali13/12/2022, 12:00
We demonstrate for the first time the programmable tuning of dielectric inverse-designed metasurfaces made of silicon by electrically driven transparent micro-heaters. This approach made sub-millisecond switching time and individually tuning metasurfaces possible.
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Mr EITAN DVORQUEZ (Institute of Physics, Pontificia Universidad Católica de Chile.)13/12/2022, 12:00AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
Our team from PUC Chile and RMIT studied how to amplify the small mixed reflection Fresnel coefficients for topological insulators via a third Mu-Metal sublayer and discovered a measurable Poynting vector deviation near its surface, key for its optical characterization.
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Juan Pablo Dehollain (University of Technology Sydney)13/12/2022, 12:00
We present techniques, compatible with measurements in digital quantum simulations, for studying critical dynamics in quantum phase transitions, based on the Kibble-Zurek mechanism. In particular, we introduce a sample-and-hold protocol that enables the study of critical exponents in the system.
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Liam Hockley (The University of Adelaide)13/12/2022, 12:00
We present studies of the $\Delta$ baryon spectrum using lattice QCD and Hamiltonian Effective Field Theory. Our results suggest quark model-like states and meson-baryon two-particle states both contribute to the energy spectrum observed in experiment.
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Mr Jaret Vasquez-Lozano (RMIT)13/12/2022, 12:00ANZCOP: Quantum opticsTalk (preferred)
By simulating the Hanbury Brown and Twiss experiment results (second order correlation function) for a field of emitters, we study the effectiveness of using quantum correlations in emitter localisation.
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Xuanzhao Pan (School of Physical Sciences, The University of Adelaide, Adelaide, SA, 5005, Australia)13/12/2022, 12:15WSOF: Industrial applications and commercialisationTalk (preferred)
Additive manufacturing makes it possible to produce complex structures and individual pieces directly from the CAD file within short production times. This research focuses on a filament extrusion method, where the objects are directly printed from a soda-lime glass filament.
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Alex Fuerbach (Macquarie University)13/12/2022, 12:15ANZCOP: Fibre & communicationsTalk (preferred)
Annealing effects in femtosecond laser-inscribed mid-infrared compatible fibre Bragg gratings (FBGs) are investigated via micro-reflectivity measurements. A process window for the fabrication of FBGs with improved thermal stability is identified.
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Jinyong Ma (Research School of Physics, The~Australian National University, Canberra, ACT 2601, Australia)13/12/2022, 12:15ANZCOP: Quantum opticsTalk (preferred)
We introduce a protocol for detection and correction of arbitrary continuous phase errors in a multi-channel quantum transmission system by integrated waveguide circuits.
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Michael Jones13/12/2022, 12:15
We discuss the challenges that must be overcome for variational quantum computing to be able to solve chemical systems of more than a few electrons in the context of the variational quantum eigensolver and the quantum computed moments method.
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Miriam Ohlrich (University of Queensland)13/12/2022, 12:15AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
An analytical model of the metal-organic superconductor, Cu-BHT, shows that its simplified lattice structure possesses three robust, degenerate flat bands at half-filling, which are narrower and more isolated than those of twisted-bilayer graphene.
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Mr Piyush Jangid (Australian National University)13/12/2022, 12:15
We present a novel direction to enhance and control the degree of chirality in silicon-on-silica metasurfaces via an interplay between the nanoresonator symmetry and the symmetry of the metasurface lattice.
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Francis Pham13/12/2022, 12:15
We report branching fraction and $CP$ asymmetry measurements of the $B^{0}\to\pi^{0}\pi^{0}$ decay mode at Belle II using a data sample corresponding to $198\times10^{6} B\bar{B}$ pairs. This is comparable sensitivity with 1/4th of the Belle dataset.
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Xia-Ji Liu (Swinburne University of Technology)13/12/2022, 12:15
Ultradilute Quantum Droplets
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Lloyd Hollenberg13/12/2022, 12:45
This talk will review the seminal work, and enduring legacy, of quantum pioneers Tony Klein and Geoff Opat in devising and performing the neutron-interference experiment which observed fermionic quantum phase acquired upon 2$\pi$ rotation.
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Bruce McKellar13/12/2022, 13:10
In the dual HMW effect a topological phase emerges when electric dipoles pass around a line source of magnetic charges. When measured it also gave a much more precise measurement of the Aharonov Casher effect.
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John Close (Australian National University)13/12/2022, 13:35
Atom interferometry offers stable, compact, primary sensing that can advance applications in ground water mapping, mineral exploration, planetary exploration and inertial navigation among other fields. I describe recent advances at ANU in techniques and applications.
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Prof. Johann Peter Reithmaier (European Physical Society)13/12/2022, 14:00
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Jacinda Ginges13/12/2022, 14:00
Reporting on several of our recent works on the hyperfine anomaly and its importance in searches for new physics in precision atomic experiments.
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Sarah Harmer (Flinders University)13/12/2022, 14:00AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
Photoemission is the most information rich and widely used techniques for the elucidation of the electronic structure, surface states and chemistry of materials. The NanoESCA III, recently commissioned in Flinders Microscopy and Microanalysis.
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Dr Cathy Foley (Chief Scientist of Australia)13/12/2022, 14:00
In this keynote address, I will discuss opportunities for quantum innovation in Australia, barriers that need to be overcome, and strategies to build a strong quantum ecosystem to drive research up the value chain.
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Svetlana Aleshkina13/12/2022, 14:00WSOF: Advances and new developments in specialty fibresInvited talk
The report discusses novel all-glass optical fibers designs for dispersion management and its applications.
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Shaghik Atakaramians13/12/2022, 14:00
There is a rapid development in utilizing Terahertz frequencies for next generation of communications. In this talk, I will discuss how recent advances in photonics can facilitate low-loss and low-dispersion waveguides with exceptional bandwidth for terahertz.
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Daria Smirnova (Research School of Physics, Australian National University, Canberra ACT 2601, Australia)13/12/2022, 14:00
Emulation of relativistic-like physics in photonic structures with Dirac spectrum has enabled observation of Klein tunneling and topological boundary modes in real and synthetic dimensions. We demonstrate another exciting emulation of trapped eigenstates of Dirac quasiparticles in photonic metasurfaces.
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Prof. Kae Nemoto (National Institute of Informatics, 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan)13/12/2022, 14:00
Based on the recent development of the quantum computer hardware, in
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this talk we present new quantum neural network models and show their
performance for classification problems. We then discuss how far we can
simplify such quantum computational systems. -
Dr Maria Kieferova (University of Technology Sydney)13/12/2022, 14:00
In this work, we examine the assumptions that give rise to barren plateaus in quantum neural networks and show that an unbounded loss function can circumvent the existing no-go results.
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Martin John White (University of Adelaide (AU))13/12/2022, 14:00
I will show the sorts of physics model that are currently evading detection at the Large Hadron Collider, and will present new ideas for how to extend the reach of particle searches with the ATLAS and CMS detectors.
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George Sanamyan13/12/2022, 14:30
We have used a combination of muonic-atom and atomic many-body calculations to extract magnetic hyperfine anomaly in caesium atom from muonic cesium measurements. Our result is important for cesium atomic parity violation studies.
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Dominic Lane (The University of Adelaide)13/12/2022, 14:30COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsTalk (preferred)
Holmium-doped high power fiber lasers operate at an eye-safe wavelength and have numerous applications. In this talk, we discuss a new method of optical pumping for this technology - using GaSb-substrate-based high power laser diodes emitting at 1950 nm wavelength.
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Mark Edmonds (Monash University)13/12/2022, 14:30AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
In this talk I will discuss using low-temperature scanning tunnelling microscopy and spectroscopy to measure the magnetic gap in 5 SL MnBi2Te4.
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Prof. Kenneth Crozier (University of Melbourne)13/12/2022, 14:30
Mid-infrared spectroscopy has numerous applications. A host of new applications could be enabled by new types of mid-IR spectrometers with reduced size, weight, and cost. We will describe our recent work on a compact microspectrometer platform for chemical identification.
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Nicholas Hunt-Smith13/12/2022, 14:30
We review various methods used to estimate uncertainties in parton distribution functions (PDFs), finding that utilizing a neural network on a simplified example of PDF data has the potential to inflate uncertainties.
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Yingying Wang (Institute of Photonics Technology, Jinan University, Guangzhou, China)13/12/2022, 14:30WSOF: Photonic crystal, microstructured, and hollow core fibersInvited talk
We summarize our recent results on design, fabrication and characterization of polarization maintaining anti-resonant hollow core fiber. Loss of 5.6 dB/km and phase birefringence of $1.8\times 10^{-5}$ is achieved.
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Mr Maxwell West (The University of Melbourne)13/12/2022, 14:30
Machine learning models are susceptible to adversarial examples - inputs to the model which have been manipulated in order to confuse it. We study the vulnerability and resiliency of quantum classifiers to such inputs.
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Philippe Bouyer (Institute d’Optique (Nouvelle Aquitaine Branch))13/12/2022, 14:30
Today’s challenge is to design compact, robust and mobile sensors which will lead to new generations of atomic sensors for mobile gravity mapping and GPS free navigation.
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Jake Horder (University of Technology Sydney)13/12/2022, 14:30ANZCOP: Quantum opticsTalk (preferred)
Characterisation of spectral properties of blue SPEs in hBN at cryogenic temperatures. High-yield fabrication allows for extensive study of this defect class. Resonant excitation revealed phonon-broadened linewidth as well as Rabi oscillations.
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Elizaveta Melik-Gaykazyan (Australian National University)13/12/2022, 14:30
We propose and numerically investigate the mechanism of vector beams formation in terahertz spectral range via engineering the band structure of spatially inhomogeneous photonic metasurfaces supporting topologically trivial and non-trivial states.
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Ashlee Caddell (The University of Queensland)13/12/2022, 14:45
Presentation of atomic excitation factors and calculated event rates for DM-electron scattering, and how they compare to the excess seen in the XENON1T experiment.
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Mr Qigejian Wang (UNSW Sydney)13/12/2022, 14:45
We design and demonstrate a 3D-printed horn coupler, improving the transmittance of a hybrid photonic crystal waveguide by more than 20dB, providing a convenient and economical way of customizing couplers for different waveguides and could be integrated in terahertz devices.
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Jamie Heredge13/12/2022, 14:45
Inspired by 3D imagining problems we investigate methods of quantum encodings that are invariant to permutations of points in the original input for collections of 3D points (point cloud) data, within the context of a particle physics application.
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Mr A M Saffat-Ee Huq (The University of New South Wales)13/12/2022, 14:45COMMAD: Semiconductor materials, devices, and technologiesTalk (preferred)
Applying a comprehensive 20-band $sp^3d^5s^*$ tight-binding model with self-consistent field Hartree method to calculate energies of multi-electron states, we investigate the $D^-$ charging energies of donor molecules in silicon consisting of two phosphorus impurities in various orientations.
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Kyle Leaver (University of Adelaide)13/12/2022, 14:45
This work examines the sensitivity of the upcoming SABRE South experiment to the annual modulation dark matter signal. We also consider the effect of a hemisphere-dependent seasonal background on direct detection experiments.
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Mr Markus Hiekkamäki (Tampere University)13/12/2022, 14:45ANZCOP: Quantum opticsTalk (preferred)
By structuring the spatial profile of single photons, we were able to demonstrate different types of quantum advantages in metrological applications. This method also enabled an investigation into a new type of quantum state evolution with possible future applications.
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Floyd Creevey13/12/2022, 15:00
We present a method – genetic algorithm for state preparation (GASP) – which generates low-depth quantum circuits for initialising a quantum computer in a specified quantum state.
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Ondrej Kitzler (Macquarie University)13/12/2022, 15:00
Ultra-fast THz sources have been implemented into spectrometers offering small form-factor and broadband coverage. However, their low spectral power limits use to very thin samples. Here we demonstrate implementation of high power tunable SPS lasers into a spectrometric system.
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Martha Reece13/12/2022, 15:00
This presentation will discuss preliminary attempts to perform Coulomb excitation of $^{124}$Te with the CAESAR array at the ANU as part of a larger investigation into the vibrational nature of near-spherical nuclei.
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Mr Junxiang Zhang (Tianjin University)13/12/2022, 15:00
An efficient mid-infrared Er3+-doped fluoride fiber laser operating at 2.8 μm pumped by a single-mode laser at 1.7 μm has been proposed and experimentally demonstrated for the first time.
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Jinyong Ma (Research School of Physics, The~Australian National University, Canberra, ACT 2601, Australia)13/12/2022, 15:00ANZCOP: Quantum opticsTalk (preferred)
We report the first experimental generation of spatially entangled photon pairs from a metasurface incorporating a lithium niobate nonlinear thin film and the preparation of polarisation entangled states with a metasurface integrating two crossed metagratings.
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Prof. Deb Kane (Australian National University)13/12/2022, 15:00AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
Tapping mode atomic force microscopy was used to reveal nano-scale features and material variation near the surface of capture threads of glowworm (Arachnocampa tasmaniensis). Unstretched and stretched threads are contrasted.
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Ania Bleszynski Jayich (University of California, Santa Barbara)13/12/2022, 15:00
I present diamond optomechanical systems with high mechanical and optical quality factors and long spin coherence times of the embedded, strain-coupled defect centers. Progress towards reaching high spin-phonon quantum cooperativity is discussed.
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Xin HE13/12/2022, 15:00COMMAD: Quantum computing and circuitsTalk (preferred)
We theoretically and experimentally demonstrate a quantum clock implemented with a superconducting qubit and show the thermodynamic limit of the clock accuracy in the quantum regime is caused by the entropy production rate.
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Niken Priscilla13/12/2022, 15:00
Metasurfaces constructed of subwavelength periodic arrays of metal particles have been shown to possess asymmetric optical transfer function with a relatively high numerical aperture of ~0.5 enabling phase imaging of diverse transparent objects.
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Sean Hodgman13/12/2022, 15:00
This presentation will cover a number of atomic energy level measurements involving ultracold metastable helium atoms, including using a tuneout wavelength to probe atomic QED theory.
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Dr Yunjiang Rao (UESTC)13/12/2022, 15:15
Record-long (200 km) single-ended random fiber laser and sensor, which can be used for safety monitoring of long-haul powerlines, are proposed and demonstrated based on combination of high-order random lasing pump and ultra-low-loss fiber, for the first time.
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Dr Ben Sparkes (Defence Science and Technology Group)13/12/2022, 15:15ANZCOP: Quantum opticsTalk (preferred)
Using rubidium-filled hollow-core fibres we have reduced the optical power requirements of a no noise, high-bandwidth quantum memory protocol by two orders of magnitude, a key step towards a large-scale fibre-based quantum information network.
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Corey Plowman13/12/2022, 15:15
Total cross sections for all single-electron processes in proton scattering on molecular hydrogen have been calculated within a two-centre coupled-channel approach, providing improved agreement between theory and experiment for this challenging collisional system.
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Mr Adam Steinberg (University of Melbourne / University of Manchester / Cockcroft Institute)13/12/2022, 15:15
Fixed Field Accelerators offer potential advantages for particle therapy, however many challenges remain. We address the problem of resonance crossing during acceleration, showing that beam stability can be maintained by fixing the normalised focusing strength.
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Dr Lukas Wesemann (University of Melbourne, ARC Centre of Excellence for Transformative Meta-Optical Systems)13/12/2022, 15:15
Nanophotonic devices enable image processing with potential for biological live-cell imaging and wavefront sensing. Here we demonstrate the use metasurfaces and thin-films for all-optical visualisation of phase modulations in an optical field and their application to biological imaging.
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Luke Mawst13/12/2022, 15:15COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsTalk (preferred)
We employ nanopatterning, via diblock co-polymer lithography, and selective area-MOVPE growth to achieve high-density InGaN/GaN quantum dots for UV applications
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Abdulrahman S. Alotabi (Flinders Institute for Nanoscale Science and Technology)13/12/2022, 15:15AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
The aim of this work is to investigate the inhibition of phosphine-protected Au9 clusters beneath a Cr(OH)3 overlayer to agglomerate under conditions of photocatalytic water splitting (i.e. UV irradiation).
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Ameera Jose (MQ Photonics Research Centre, School of Mathematical and Physical Sciences, Faculty of Science and Engineering, Macquarie University)13/12/2022, 15:15
We report synchrotron absorption measurements for MgO:LiNbO3 over a wide range of wavenumbers and temperatures. Spectra reveal the existence of an unexpected mode at 3.15 THz at all temperatures which explains the crystal's difficulty of THz generation at higher frequencies.
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Xiaoya Jin13/12/2022, 16:00AIP: Computational and Mathematical PhysicsTalk (preferred)
In this talk, I will discuss recent developments in the field of nanomechanical computing. Specfically, I will propose the first error correction architecture for integrated nanomechanical systems that uses majority voting logic.
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Mr Raymond Harrison (The University of Queensland)13/12/2022, 16:00
The coupling of light with a mechanical degree of freedom is ususally limited to exciting mechanical modes that are defined by the structure being used. We are working towards a regime where light can be used to define mechanical modes.
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Stefan A. Maier (Monash University)13/12/2022, 16:00
Disordered arrays of plasmonic colloids provide a means for broadband optical absorption, due to equipartition of energy and convergence of internal mode lifetimes. We examine such systems from the viewpoint of energy harvesting and enhanced light extraction.
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Phiala Shanahan13/12/2022, 16:00
I will discuss how first-principles lattice QCD calculations are yielding new insights into the structure and interactions of nuclei.
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Mehran Kianinia13/12/2022, 16:00COMMAD: Emerging materials: 2D, oxide, organic, and perovskite materialsInvited talk
We demonstrate the controlled engineering of boron vacancy defects creation in two dimensional material hBN. The spin state in these defects can be controlled optically which is highly desirable for realization of quantum devices and scalable quantum communication technologies.
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Dr Jennifer MacLeod (Queensland University of Technology)13/12/2022, 16:00AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
I will discuss our recent work in using small molecule precursors to synthesize nanomaterials through on-surface reactions
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Jean-Philippe Tetienne (RMIT University)13/12/2022, 16:00
We demonstrate a microscopy technique that employs spin defects in hexagonal boron nitride as quantum sensors to perform magnetic and temperature imaging of van der Waals materials.
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Mile Gu (Nanyang Technological University)13/12/2022, 16:00
Talk based on a combination of Phys. Rev. X 12, 011007 and unpublished work.
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Prof. Stuart Jackson (MQ Photonics, School of Engineering, Macquarie University, North Ryde, NSW 2109, Australia)13/12/2022, 16:00
Creating short pulses at mid-infrared (MIR) wavelengths has been an ongoing research area for several years because of the high applications potential. This talk will discuss different schemes for creating MIR ultrashort pulses in all-fibre configuration.
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Prof. Ryszard Buczynski (University of Warsaw)13/12/2022, 16:00
Optical fibers with NV(-) nanodiamonds embedded along the core are reported. Magnetic field sensing is validated along with nanodiamond concentration scaling and NV(-) fluorescence coupling to the guided modes.
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Marco Fronzi (University of Technology Sydney)13/12/2022, 16:15AIP: Computational and Mathematical PhysicsTalk (preferred)
Time and resource-efficient active machine learning approach has been used to create a database containing the functional and structural properties of millions of novel van der Waals layered structures.
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Sebastian Kish13/12/2022, 16:30
In a thermal-loss channel, it is uncertain whether a discrete-variable or a continuous-variable quantum key distribution (QKD) protocol is more optimal. We investigate QKD protocols in a thermal-loss setting but with the assumed availability of perfect sources and detectors.
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Nathan Clisby (Swinburne University of Technology)13/12/2022, 16:30AIP: Computational and Mathematical PhysicsTalk (preferred)
We study polymer melts via high precision Monte Carlo simulations of Hamiltonian paths of up to N = 100 million steps on the simple cubic lattice with periodic boundary conditions.
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Dr Manjith Bose (The University of Melbourne)13/12/2022, 16:30COMMAD: Nano/micro-fabrication and processingTalk (preferred)
A novel fabrication methodology incorporating neon-ion milling is developed to engineer superconducting boron-doped diamond devices including the first diamond nano-SQUID, with noise properties (flux noise: 0.14 $\mu\phi_0$/$\text{$\sqrt{\text{Hz}}$}$ at 1 kHz, spin sensitivity: 11 spins/$\sqrt{\text{Hz}}$) comparable to optimal Nb-nano-SQUIDs reported.
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Kandeel Mukhtar (Australian National University)13/12/2022, 16:30
A fiber based polarization insensitive OCT has been developed to remove polarization artefacts from conventional OCT images. The computational processing and hardware system calibrations will be discussed. A comparison of different polarization independent schemes and results will also be presented.
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David Wilson (University of Cambridge)13/12/2022, 16:30
Recent developments have enabled the computation of hadron resonance properties from scattering amplitudes determined from lattice Quantum Chromodynamics. We summarise this theoretical approach and compare with recent data from hadron physics experiments.
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Choon Kong Lai13/12/2022, 16:30ANZCOP: OptoacousticsTalk (preferred)
Inducing forward Brillouin scattering (FBS) in non-suspended waveguides is challenging because the required acoustic waves have long wavelengths, typically exceeding the acoustic mode cutoff. Here, we investigate the extent to which an acoustic mode can be confined in non-suspended platforms.
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Billy Pappas (The University of New South Wales)13/12/2022, 16:30AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We spatially resolve hyperfine spin properties of organic materials employed in OLEDs to reveal large intra-device variations exceeding 30% and find this property to be correlated on lengths up to 7 µm.
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David Ottaway (University of Adelaide)13/12/2022, 16:30
Ring resonators are used to produce injection-seeded, transform-limited pulsed lasers for remote sensing applications. Injection-seeding generally forces uni-directional operation. Our pulsed laser showed both directions were equally seeded. We developed a model that shows <0.1% forward-to-reverse-wave coupling can cause this.
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Alexander Solntsev (University of Technology Sydney)13/12/2022, 16:30
The most common mechanism for entangled photon generation in optics is the second-order nonlinear process of spontaneous parametric down-conversion. I will provide a brief overview of recent developments in the area, moving from photonic chips to nanophotonics.
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628. Unambiguous measurement of DC field in a cold atom magnetometer with sensitivity below 1 pT/rHzMr Hamish Taylor (Monash University)13/12/2022, 16:30
We describe a measurement and reconstruction method for performing optical magnetometry in an ultracold atomic vapour, making use of Hilbert transform-based FM demodulation to perform instantaneous retrieval of the Larmor phase and allowing calibration-free measurement of the field.
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Matthew Edmonds (University of Queensland)13/12/2022, 16:45AIP: Computational and Mathematical PhysicsTalk (preferred)
We explore the properties of uniform quasi-two-dimensional condensates with several interacting internal degrees of freedom, which we model in terms of a multi-component Gross-Pitaevskii equations in the rotating frame for a Bose-Einstein condensate in different experimentally realistic box geometries.
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Luke Trainor (University of Otago)13/12/2022, 16:45
We present a high quality titanium doped sapphire whispering gallery mode (WGM) resonator with record low lasing threshold and high slope efficiency. We also show that amplification is readily achievable.
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Dr Harini Hapuarachchi (RMIT University)13/12/2022, 16:45AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We demonstrate the possibility of significantly enhancing and precisely controlling the fluorescence of NV centres using plasmonic metal nanoparticles by developing the theoretical foundation for NV-plasmonic optical interaction (which is verified using existing optical measurements).
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Marco Capelli13/12/2022, 16:45
We developed an optical fibre containing fluorescent micron-sized diamonds. The nitrogen-vacancy defects inside diamonds make the fibre sensitive to external magnetic fields. I will discuss the fabrication process and the sensitivity we achieved.
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Mikhael Sayat (University of Auckland)13/12/2022, 16:45
Discrete modulated continuous variable quantum key distribution (CVQKD) performs better than Gaussian modulated CVQKD in low signal-to-noise-ratio (SNR) regimes. We present results on the study of its performance in a satellite-to-ground context in the asymptotic and finite-size limit.
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Walter Wasserman13/12/2022, 16:45ANZCOP: OptoacousticsTalk (preferred)
Experimental results of high amplitude superfluid helium-4 waves and nonlinear phenomena including cnoidal waves, pulse trains and superfluid optomechanical dissipative solitons are presented, agreeing with the recently observed optomechanical dissipative solitons in solid state.
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Alexander Tritt13/12/2022, 16:45
We experimentally demonstrate a quantum compressive waveform sensor. We reconstruct a synthesised neural magnetic waveform using an incomplete set of frequency measurements made by radio frequency dressed atoms. Reconstruction is achieved via convex optimisation.
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Prof. Luke Mawst (University of Wisconsin-Madison)13/12/2022, 16:45COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsTalk (preferred)
III-Nitride material system has been utilized to obtain high-performance UV-A lasers. In this study, we focused on understanding the impact of waveguide thickness on the performance of 390 nm GaN laser diodes.
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Kareem Raslan (The University of Adelaide)13/12/2022, 17:00
We demonstrate a truly reference-frame-independent quantum key distribution protocol utilising a 4-photon entangled state. We present our latest results showing how local and global rotational invariance makes this protocol immune to a jamming attack.
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Angus Gale13/12/2022, 17:00COMMAD: Nanoelectronic and nanophotonicsTalk (preferred)
This work presents a precise technique to control fabrication of quantum emitters in hexagonal boron nitride (hBN) via electron irradiation. An annealing procedure for increased efficiency and link to well documented UV defect emission in hBN is also outlined.
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Andreas Ioannou (Cyprus University of Technology)13/12/2022, 17:00
We present simple and robust designs for optical fiber radiation sensors for dosimetry applications, by utilizing femtosecond laser micromachining.Furthermore, we examine the implementation of our technique with plastic scintillator (BCF-10) for medical radiotherapy dosimetry.
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Andrew Squires (CSIRO)13/12/2022, 17:00AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We present a highly tuneable terahertz (0.2THz) frequency selective absorber. The device is based on a graphene/gold bilayer which is patterned/etched into a cross-slot metamaterial structure. This provides high resonant quality from the gold and tuneability from the graphene.
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Reese Horton13/12/2022, 17:00AIP: Computational and Mathematical PhysicsTalk (preferred)
A simulation of the process of electron energy deposition in molecular hydrogen in the energy range 0–500 eV is reviewed. Ionisation and dissociative effects are examined and a new numerical method for sampling continuum excitations is presented.
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Mikolaj Schmidt (Macquarie University)13/12/2022, 17:00ANZCOP: OptoacousticsTalk (preferred)
Coupling optical and mechanical modes of microresonators is usually engineered by harnessing their intrinsic nonlinear material response. We propose to harness a new coupling mechanism, in which relies an ensemble of nitrogen vacancies (NVs) induces the effective nonlinearity in diamon.
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Neuton Li13/12/2022, 17:00
We developed an inverse design scheme to optimise the design of nonlinear metasurfaces for sum-frequency generation with any combination of optical wavelengths, achieving a high efficiency exceeding unpatterned films by several orders of magnitude.
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Andrew Wade (The Australian National University)13/12/2022, 17:00
This talk will outline a new approach to mitigating Brownian coating thermal noise in optical cavities using multiple higher-order gaussian modes. We will present results of a theoretical study into this new sensing scheme and plans for an experimental implementation.
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Martin Sevior13/12/2022, 17:00
We propose a Time Projection Chamber (TPC) to measure (e+e-) production from proton induced nuclear reactions. TPC measurements provide 200 times more sensitivity than previous experiments enabling world-leading limits for New Physics searches and novel Nuclear Physics investigations.
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Samuel White13/12/2022, 17:00
A discussion on utilising a dressed three level system as a magnetometer at ultra low frequencies, in the presence of dominating line noise.
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Sergei Slussarenko13/12/2022, 17:15
Certified quantum randomness protocols can securely guarantee random numbers that are unpredictable to any physical observer. We experimentally implement one such protocol based on quantum steering using single photons.
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Oliver Conquest13/12/2022, 17:15AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
A density functional theory investigation of cobalt-centred phthalocyanine active site tuning via atomic linker immobilisation for the CO2 electroreduction reaction. Electronic properties, geometries and free energy reaction pathways are calculated to determine the best performing systems.
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Prof. Nelson Tansu (The University of Adelaide)13/12/2022, 17:15COMMAD: Advanced materials growth and synthesisTalk (preferred)
In this work, we perform epitaxial growth and characterizations of AlGaInN alloys lattice-matched to GaN with four different compositions. The understanding of growth conditions and optical properties of AlGaInN alloys are essential for integration with GaN-based applications.
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Fernando Gotardo13/12/2022, 17:15
We implemented nanofabrication to obtain an on-chip optomechanical magnetometer integrated with off-the-shelf laser and photodetector. Here we show the fabrication process and performance of our sensor.
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Claude Aguegaray (The University of Auckland)13/12/2022, 17:15
In this work, we aim to experimentally generate supercontinua in the mid-infrared region using the novel architecture of nonlinear amplification. This work is guided by simulations that utilize recently developed numerical models.
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Prof. Christopher Poulton (University of Technology Sydney)13/12/2022, 17:15ANZCOP: OptoacousticsTalk (preferred)
We present a numerical and analytical investigation of thermal noise processes in Brillouin experiments. We focus on Brillouin-based memory experiments, and explore the effects of noise on information retrieval for amplitude and phase-based storage with different pulse configurations.
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Adam Wojciechowski (Jagiellonian University)13/12/2022, 17:15
We propose a novel approach for remote sensing and mapping of magnetic fields with high spatial resolution using NV nanodiamond layer deposited on an end-surface of an optical fiber or an imaging fiber bundle.
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Jinyong Ma (Research School of Physics, The~Australian National University, Canberra, ACT 2601, Australia)13/12/2022, 17:15
We propose and fabricate a static dielectric metasurface that enables single-shot characterization of the distinguishability between two photons with high transmission efficiency and tolerance to measurement noise.
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Kwang Jun Lee13/12/2022, 17:30
We designed and deployed a novel compact Raman spectrometer to discriminate between original and imitation whisky, with ethanol concentrations measured to within 2% accuracy. This work has application potential in the liquor industry.
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Kaih Mitchell13/12/2022, 17:30
We present a laser-cooled rubidium focussed ion beam for use in nano-fabrication and imaging. We aim to achieve higher beam brightness and smaller focus spot sizes than gallium focussed ion beams.
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Tanglaw Roman13/12/2022, 17:30
We carry out a comprehensive survey of ab initio methods to predict the electronic band structure of Ag, graphene, and FeSe, and compare the results with ARPES data.
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Raymon Watson13/12/2022, 17:30
We theoretically investigate the performance of an interaction-driven many-body quantum heat engine with a working medium consisting of an experimentally realisable, harmonically trapped one-dimensional Bose gas, exploring the entire phase diagram.
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Yan Liu13/12/2022, 17:30COMMAD: Advanced computational and machine learning methods in photonics, nanoelectronics, and devicesPoster
A novel energy-efficient and high-performance MEMS-based mechanical switching structure with a suspended waveguide is investigated for developing the applications of high-speed optical communication networks, hyper-scale datacenter and data-intensive computing systems.
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Mr Chung Kim Nguyen (RMIT University)13/12/2022, 17:30
2D antimony doped indium oxide (IAO) nanosheets with few atom thicknesses have been synthesized utilizing liquid metal printing technique. The work proposes a viable pathway for realizing ultrathin transparent semiconducting oxides (TSOs) with enhanced electronic and optical properties.
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Mr Harshdeep Singh (IIT Kharagpur)13/12/2022, 17:30
This work focuses on the performance of different classical optimizers when used in variational quantum algorithms, specifically for applications in quantum chemistry, for example, evaluating the ground state energy, the dissociation energy, and the dipole moment of different molecules.
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Tapio Simula13/12/2022, 17:30
We have established a new Australian research laboratory dedicated for studies of gravitationally bouncing droplets of fluid. In this inaugural work we have created and observed long-lived and interacting time crystals.
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Pradeep Nandakumar (ARC Center for Engineered Quantum Systems and Department of Maths and Physics, University of Queensland)13/12/2022, 17:30
In this work we present a unifying theory based on Green's function that realistically model waveguides talking into accounting finite size and boundaries. We then apply our formalism to experimentally study Atom-Photon Bound states in a rectangular waveguide QED system.
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Carlo Silvestri (The University of Queensland)13/12/2022, 17:30COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsPoster
Quantum cascade lasers emitting frequency combs are of interest due to the variety of novel applications they could support. Here we present a numerical study about the self-generation of these combs in the terahertz region.
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Madhav Krishnan Vijayan (University of Technology Sydney)13/12/2022, 17:30
Measurement based quantum computing is an alternate formulation of quantum computing to the ubiquitous circuit model. Here we demonstrate how to generate algorithm specific graph states to implement arbitrary quantum circuits in this model.
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Miranda Stone13/12/2022, 17:30
Nonlinear properties of optical fibers are parasitic at high optical powers and can be manipulated by tuning the composition of the fiber core via the molten core method (MCM) for fiber fabrication.
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Rose Smail (The University of Adelaide)13/12/2022, 17:30
At the TeV scale, low-energy precision observations of neutron characteristics provide unique probes of novel physics. Precision studies of neutron decay observables are susceptible to beyond the Standard Model (BSM) tensor and scalar interactions, while the neutron electric dipole moment, $d_n$, also has high sensitivity to new BSM CP-violating interactions. To fully utilise the potential of...
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Prof. Dmitry Fursa (Curtin University)13/12/2022, 17:30
The molecular convergent close-coupling (MCCC) method is used to perform calculations of 10–1000 eV electrons scattering on the electronic and vibrational ground state of HeH+. Cross sections are presented for excitation of the n=2–3 singlet and triplet states and ionization.
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Abbas Hussein (ANU)13/12/2022, 17:30
We apply the coupled-mode theory to study the steady state of BECs loaded into the p-band of a 2D bipartite optical lattice potential. We demonstrate the possibility to create a superposition of Bloch states with a nontrivial orbital texture.
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Charlotte Quirk13/12/2022, 17:30
We characterise the emergence of vortex pairs in stationary solutions of superfluid flow past a finite obstacle, both analytically and numerically. We demonstrate how this leads to the breakdown of superfluidity at the critical velocity.
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Haadi Umer (Curtin University)13/12/2022, 17:30
The relativistic convergent close-coupling method was applied to calculate a comprehensive collision dataset for electron scattering from atomic tin. Elastic, excitation and ionisation cross sections are presented for the ground and low-lying excited states.
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Dr Justin Goodrich (Brookhaven National Laboratory,)13/12/2022, 17:30
In this work, DFT analysis is employed to study the structural evolution of ternary III-oxides, such as (InxAl1-x)2O3, (AlyGa1-y)2O3, and (GazIn1-z)2O3, determining the compositions at which phase transitions occur and important physical parameters.
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David Dossett13/12/2022, 17:30
Some new developments and lessons learned in the automated calibration system for the Belle II experiment over the past two years.
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Wen Qi Zhang (University of South Australia)13/12/2022, 17:30
This work explores the potential of convolutional neural network to directly decode information encoded in the nonlinear Fourier domain under the influence of carrier frequency offset and carrier phase offset.
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Jayden Hasted (The University of Queensland)13/12/2022, 17:30
Determination of transition polarisability for atomic parity violation in cesium.
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Mr Mingze Yang (The University of Adelaide)13/12/2022, 17:30
We present a novel design of optical phantom using metal-ion doped glass-ceramics. Comprising crystalline structure and nickel ion in the glass matrix, this glass-based optical phantom can mimic the optical properties of human tissues with excellent optical homogeneity and stability.
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Sarah Dean (The Australian National University)13/12/2022, 17:30
We present a topology-optimised metasurface design for ultra-compact and light-weight space-based polarimetry, allowing for five parallel polarisation measurements across the moving image strip, to facilitate applications including water glint removal.
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Prof. Trevor Finlayson (University of Melbourne)13/12/2022, 17:30
Results from the Koala, Taipan and Sika instruments at the OPAL reactor, ANSTO, reveal two martensitic transformations for an Fe-30at%Pd crystal between 400 to 100K. These results will be discussed in this poster presentation.
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Bill Loizos13/12/2022, 17:30Poster
We motivate a dark matter model correction, due to the sun's gravity, in which direct detection experiments are expected to exhibit a non-sinusoidal signal. We also explore the dark sector consisting of more than one distinct mass component.
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Joshua Christensen (University of Otago)13/12/2022, 17:30
A high $Q$-factor whispering-gallery mode resonator was fabricated of yttrium lithium fluoride, furthermore an independent measurement of the coupler separation distance was explored for beam alignment and in probing the evanescent field between our couplers.
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Mr Govind Sasikumar (School of Engineering and Information Technology, UNSW Canberra, ACT, 2600, Australia.)13/12/2022, 17:30
We model the dynamics of nanomechanical oscillator coupled to single electron transistor using the nonlinear Fokker-Planck equation in the regime where transport is fast compared to mechanical dynamics. The calculations are compared with recent experimental results.
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Dr Mykhailo Klymenko (ARC Centre of Excellence in Exciton Science, RMIT University)13/12/2022, 17:30COMMAD: Solar cells, thermoelectricity, fuel cells, power electronics, and green-energy devicesPoster
We study the effect of the inorganic semiconductor substrate on the exciton binding energies in the crystalline tetracene and its implications for the singlet fission effect.
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Andreas Boes (University of Adelaide; RMIT University)13/12/2022, 17:30
We show a theoretical analysis of second-order nonlinearity in unpoled SiN strip-loaded LNOI waveguides with bound states in the continuum predicting a conversion efficiency of 1000% W-1 cm-2.
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Chris Lew13/12/2022, 17:30
We present our recent results on the electrical detection of coherent spin manipulation of spin-dependent recombination in a silicon carbide pn-junction device at room temperature via pulsed electrically detected magnetic resonance.
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Joshua Gray (RMIT University)13/12/2022, 17:30
We use dynamical mean-field theory in conjunction with density functional theory and time-dependent Ginzburg-Landau formalism to investigate the electronic properties of the charge density wave (CDW) material 1T-TiSe$_{2}$ to better understand the formation and melting of the CDW state.
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Dr Denitza Denkova (Institute for Bioengineering of Catalonia (IBEC))13/12/2022, 17:30
We present a powerful theoretical framework, organized as user-friendly open-source tool, for exploring image formation in confocal microscopes when using non-linear fluorophores. It allows extremely convenient image optimization and enables the unraveling and exploration of unexpected and exotic imaging phenomena.
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Christopher Baker (The University of Queensland)13/12/2022, 17:30
Using a superfluid helium third-sound resonator, we engineer the dynamical backaction from entropic forces, applying it to achieve optomechanical phonon lasing with a threshold power of only 2 picowatts, a factor of 2000 lower than has been shown before.
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Kyle Boschen (Swinburne University of Technology)13/12/2022, 17:30
We use polarisation resolved photoluminescence to reveal enhanced valley polarisation of excitons on a ferromagnetic substrate. This indicates energetic splitting of the valleys induced by the magnetic field and potential magnetic exchange interactions.
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Carlos Eduardo Nogales Herrera (Escuela Politécnica Nacional)13/12/2022, 17:30
Gold and Silver Nanoparticles and N-Graphene Quantum Dots (N-GQDs) were used for NELIBS. 199% and 208% of signal improvements were reached with Au and Ag nanoparticles. In N-GQDs case, 79% of signal improvement was reached.
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Ryan Marshman (University of Queensland)13/12/2022, 17:30
We propose the use of charged, massive particle interferometers to probe for new or modifications to known forces at close range. We consider such a devices ability to detect Yukawa style modifications to gravity and the electromagnetic interactions.
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Dr Robert Pfeifer13/12/2022, 17:30
Recent measurements of W mass and muon gyromagnetic anomaly disagree with the Standard Model. Both are reconciled by a preon model, with tension under 0.5 sigma and first-principles prediction of W and Z masses.
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Francesco Campaioli13/12/2022, 17:30
Exciton dynamics in organic semiconductors, such exciton transport and spin-mediated spectral conversion. Theoretical modelling and experimental interpretation using Markovian and non-Markovian quantum master equations. Dynamics, Steady-state solution and departure from Markovianity.
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Mohammed Asiri (M.Asiri)13/12/2022, 17:30
Stiblaistion of metal clusters in the surface by adding an overlayer of metal oxide using ALD, it is expected to prevent the agglomeration and stabilise metal clusters on the surface for applications in catalysis, photocatalysis, medical devices, and sensors.
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David Cortie13/12/2022, 17:30
See attached word document
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Fei Hu13/12/2022, 17:30
In this work, we explore better ways to fabricate superconducting nanometre-thick high-fluence indium and gallium implanted SOI films. We provide structural and electrical measurements of these devices in preparation for fabricating patterned devices which may be used for quantum technologies.
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Wen Qi Zhang (University of South Australia)13/12/2022, 17:30
A pressure-sensitive microstructured optical multimode fibre is used to build a hydrophone using a homodyne detection configuration. The fibre hydrophone is tested again a commercial piezo-electric hydrophone and shows similar performance across the whole audio frequency band.
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Maaz Hayat (University of Melbourne)13/12/2022, 17:30
The DFSZ axion, which solves the Strong CP problem, suffers from a cosmological domain wall problem. In this talk, I provide a catalogue of domain-wall-free DFSZ-like axion models by modifying the structure of the Yukawa couplings based on symmetry principles
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Rama Sharma (Optical Sciences Centre, Swinburne University of Technology, Melbourne, Australia)13/12/2022, 17:30
We want to analyse the fluctuation theorem in the context of a two-dimensional vortex matter system.
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Prof. Rich Mildren (Macquarie University, Australia)13/12/2022, 17:30
Reporting on the development of next-generation guide star laser technology using diamond Raman laser that aims to increase power, provides frequency stabilization, and narrow laser linewidth required for guide star applications.
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Nicholas Antonio13/12/2022, 17:30
The ITER and JET fusion reactors use beryllium-containing materials in plasma facing wall components. We calculate integrated total and state-selective electron-capture cross sections for Be$^{4+}$ collisions with excited states of atomic hydrogen using the wave-packet convergent close-coupling method.
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Stuart Anderson (University of Adelaide)13/12/2022, 17:30
We develop a radar scattering theory for time-varying surfaces with anisotropic dispersion relations, and apply it to the problem of remote sensing of flows generated by internal gravity waves in the ocean.
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Benjamin Dix-Matthews (The University of Western Australia)13/12/2022, 17:30
We demonstrate laser Doppler velocimetry to a moving airborne drone at a distance of 600 m, achieving an in-line velocity precision of 2 nm/s with 10 seconds of averaging.
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Austin Lund13/12/2022, 17:30
We present a new approach to analysing homodyne measurement using Schrödinger-cat states as local-oscillators and give the characteristics of this type of measurement for various different input states.
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Lothar José Carlos Vilchis Martínez (Universidad Nacional Autónoma de México)13/12/2022, 17:30
In this work we obtain images using an Optical Laser Scanning system. Scanning is performed with a laser beam (375 nm) through a 100X microscope objective, the sample is in an XY translation stage (~ 20 nm by step).
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Ms Jiaying WANG (1 Photonics and Optical Communications, School of Electrical Engineering & Telecommunications, University of New South Wales, Sydney, NSW 2052, Australia 2 Materials and Manufacturing Futures Institute, UNSW Sydney, NSW 2052, Australia)13/12/2022, 17:30
The processing of UV curable resin for manufacturing 3D fibre preforms based on DLP technology has been investigated. Fibre preforms with higher silica loading have been successfully fabricated.
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Elisabeth Wagner (Macquarie University)13/12/2022, 17:30
We propose a new measure of information flow in non-unitary quantum cellular automata which defines an equivalence class of open quantum systems that are coupled to an environment and are invariant in time and space.
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Jed Rowland13/12/2022, 17:30
We characterise near-IR to telecom frequency conversion via four-wave mixing in a rubidium-filled hollow-core fibre to allow for information transfer between efficient quantum memories within a fibre-based quantum network.
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Michal Zawierta (The University of Western Australia)13/12/2022, 17:30
Modern surface micromachined optical MEMS commonly use electrostatic means to achieve mechanical actuation and often require a closed feedback loop to maximize tuning accuracy. Our method enables MEMS membrane displacement measurement without device modifications.
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Mr Malcolm Lawn (National Measurement Institute Australia)13/12/2022, 17:30
NMI participates in international inter-laboratory comparisons (ILCs) supporting development of standards for graphene and 2D materials. This presentation highlights the technical challenges of the accurate measurement and characterisation of these materials with Atomic Force Microscopy.
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Jobaida Akhtar (Institute for Photonics and Advanced Sensing, The University of Adelaide, SA 5005, Australia and School of Physical Sciences, The University of Adelaide, SA 5005, Australia.)13/12/2022, 17:30
We report the investigation of extrusion die and glass billet parameters on the loss of tellurite fibre. The billet surface quality was found to be critical to achieve low fibre loss.
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Namisha Chabbra (Australian National University)13/12/2022, 17:30
We present ‘tilt locking’ as a potential candidate for laser stabilisation for space applications and demonstrate the performance at stabilization limits near the standard RF approaches.
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Srikara Shankara13/12/2022, 17:30
In the context of Distributed Quantum Computing,this work demonstrates the impediments on the usage of satellites for distributing entanglement between two error-corrected quantum computers on earth separated by varying distances.
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Richard Pahlavani (Macquarie University)13/12/2022, 17:30
Recent developments in several fields require high power narrow linewidth lasers. Here, we measure the linewidth of a high power, single frequency DRL. We furthermore propose as a novel static frequency control mechanism, with speeds comparable to piezo-electric devices.
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Dr Qiang Sun (Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, School of Science, RMIT University, Melbourne, VIC 3001, Australia)13/12/2022, 17:30
One key challenge in the search for new Topological Insulators (TI) is their characterization. Through theoretical modelling, we identify a method to improve the magnetic monopole response of TI which can be used to rapidly characterize the properties of TIs.
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Kim Smith13/12/2022, 17:30
This analysis uses the Belle dataset consisting of $620\times10^6$ B meson pairs and includes a first measurement of the branching fraction and helicity angle asymmetry of $B^0\to D^-\pi^+\pi^0$ as well as an update to the branching fraction of $B^0\to D^-\rho^+$.
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Charles Woffinden (University of Queensland)13/12/2022, 17:30
We demonstrate the use of a ring-shaped Bose-Einstein condensate as a rotation sensor by measuring the interference between two counter-propagating phonon modes.
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Hemendra Kala (The University of Western Australia)13/12/2022, 17:30
Micro Electro-Mechanical Systems (MEMS) based Fabry Perot interferometers offer low size, weight, and power (SWaP) platforms for carrying out spectroscopic and chemical/biological sensing while being mechanically robust and field-portable unlike traditional bulk-optics based techniques.
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Bhaswar Dutta Gupta (University of Auckland)13/12/2022, 17:30
We use an improved numerical model to demonstrate the advantages in terms of increased average power and spectral broadening while generating a supercontinuum using a nonlinear amplifier over the traditional method of using an amplified pulse seeding a passive fibre.
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570. Molecular convergent close-coupling calculations for the ionisation of H2 and its isotopologuesDmitry Fursa (Curtin University)13/12/2022, 17:30
The molecular convergent close coupling method was applied to study the ionisation of molecular hydrogen and its isotopologues from various electronic states. Vibrationally-resolved cross sections are presented and compared with data from literature.
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Ziwei Yang (Australian National University)13/12/2022, 17:30
Our project demonstrates two types of monolithic SiC metalenses, a Conventional one and an extended focal length one, to capture light from quantum emitters embedded close to the surfaces of the monocrystalline SiC material.
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Mr Brad Neimann (Macquarie University)13/12/2022, 17:30
We present the first, to our knowledge, Monte Carlo model of Raman scattering in the water column under pulsed laser excitation, and will compare and contrast the characteristics of elastic and Raman returns.
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Mushita Masud Munia (University of New South Wales)13/12/2022, 17:30
We demonstrate a hybrid quantum-semiclassical multi-scale modeling approach to characterize degenerately phosphorus-doped in-plane contacts and their impact on the energy states of the precision placed donor quantum dots under different bias conditions in silicon STM devices.
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Branko Kovac13/12/2022, 17:30
Presented is the concept of creating inertial force by the field theory. Provided is the candidate equation that describes inertial force by that field and the experiment that can test the new concept
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Chris Bradly13/12/2022, 17:30
We report results for the transcorrelated method applied to multicomponent quantum gases. We discuss applications of our methods to few atom systems that are achievable in experimental setups, as well as to liquid droplets and heavy impurities in quantum gases.
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Adam Stewart (The University of New South Wales)13/12/2022, 17:30
We perform fully non-linear simulations of cosmological weak gravitational lensing and extract observables that will be probed by the next generation of large scale structure surveys.
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Mr Aleksa Krstić (Abbe Center of Photonics, Institute of Applied Physics, Friedrich-Schiller University Jena)13/12/2022, 17:30
We develop a non-perturbative description of spontaneous parametric down-conversion in the high-gain regime for nanostructured systems with arbitrary amounts of loss and arbitrary dispersion. As an example, we use it numerically to investigate integrated quantum spectroscopy at high gain.
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James Gardner13/12/2022, 17:30
The detection of kilohertz-band gravitational waves promises discoveries in astrophysics, exotic matter, and cosmology. We study how to theoretically improve future interferometric gravitational-wave detectors' kilohertz-band sensitivity which is limited by quantum noise.
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Andrew Ross-Adams (Macquarie University)13/12/2022, 17:30
Demonstration of a novel multi-pass approach to ultra-fast laser inscribed waveguide fabrication, which improves optical mode confinement and reduces bend losses for small radii of curvature, enabling more compact photonic integrated circuits and greater integration density.
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Mary Ann Cahoon (Clemson University)13/12/2022, 17:30
This work studies the phase and structural evolution of Yb-doped alkaline earth fluoride nanoparticles in silica-based optical fiber during thermal treatments in fiber fabrication. This knowledge will aid in understanding and tailoring the optical properties in the resultant fibers.
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Arinta Auza13/12/2022, 17:30
We study the query complexity of determining if a graph is connected with global queries. By following the template of l0-samplers, we construct quantum algorithms solving graph connectivity in several global query models.
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Shridhar Manjunath (ARC Centre of excellence TMOS)13/12/2022, 17:30
We employ high quality-factor nano resonators coated with metal-organic frameworks to obtain high sensitivity and selectivity towards a specific VOC. In this work, we have demonstrated a LOD of 400 ppm in ambient conditions which aids to test hyperglycaemic condition.
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Mitchell Schiworski (University of Adelaide, Australia)13/12/2022, 17:30
Phase cameras are wavefront sensors which measure the transverse amplitude and phase of specific frequency components of optical fields. In this presentation we discuss a new all optical phase camera design and give an overview of previous and ongoing applications.
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Behnam Tonekaboni Faghihnasiri (Griffith University)13/12/2022, 17:30
We develop optimal measurement and control strategies for spectator-qubits(SQ) to mitigate data-qubit dephasing caused by a random telegraph process. Our findings show that the SQ, like Dynamical Decoupling and Quantum Error Correction, may effectively increase the coherence of the data-qubit.
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Abhikbrata Sarkar (University of New South Wales)13/12/2022, 17:30
2P:1P multidonor quantum dot EDSR qubit model, optimizing spin rotation and coherence. The model accounts for complete understanding of what impact qubit geometry and nearby charge defects have on the electrical operation and noise properties.
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Thomas Kabelitz13/12/2022, 17:30
New insight into the quark mass dependence of octet baryon magnetic polarisabilities is created by confronting lattice QCD with a constituent quark model description of fractionally charged baryons where individual quark sector contributions are isolated.
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Lu Zhang (TIANJIN UNIVERSITY)13/12/2022, 17:30
A 215 mW single-frequency thulium-doped ring-cavity fiber laser operating at 2050 nm based on Tm/Ho-codoped fiber saturable absorber has been proposed and experimentally demonstrated for the first time.
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Alexander Dellios13/12/2022, 17:30
We show how one can use phase-space represenations of quantum mechanics to compare theoretical and experimental outputs of linear bosonic networks. These methods are applied to data from recent large scale experiments of a Gaussian Boson Sampling quantum computer.
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Dr Shuo Li (ARC Centre of Excellence for Nanoscale BioPhotonics, RMIT University)13/12/2022, 17:30
We have investigated the preferential coupling of the nanodiamond into the guided-modes of a step-index fibre. To explore the possibility of long-distance magnetic field sensing we have also modelled the coupling efficiency of splicing diamond-doped fibres to commercial SMF-28e fibres.
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Gary Mooney (University of Melbourne)13/12/2022, 17:30
Quantum approaches to the binary paint shop problem – an optimisation challenge in the automotive industry – are investigated. We benchmark the quantum approximate optimisation algorithm and its recursive variant against classical heuristics and exact solvers
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David Simpson13/12/2022, 17:30
Here we describe our work on the development of a precision vector quantum diamond magnetometer (QDM). We will also discuss future opportunities for engineering quantum-grade diamond materials for precision magnetometry applications here in Australia.
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Sanjeev Naguleswaran13/12/2022, 17:30
Quantum Machine Learning is an exciting prospect emerging from the recent advances in Quantum Computing. The ability to derive a quantum advantage over classical algorithms is paramount and this paper explores methods based on quantum kernels to realise this advantage.
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Matt Woolley (UNSW Canberra)13/12/2022, 17:30
Measurement and control of massive mechanical oscillators in the quantum regime is now possible [Nature 556, 478 (2018); Science 372, 625 (2021)]. I will describe this work and the possibilities it enables for sensing with non-classical mechanical systems moving forwards.
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Ryan Marshman (University of Queensland)13/12/2022, 17:30
We present a quantum theory of a one dimensional optically levitated mirror. We consider the resulting entanglement between the mirror and cavity field and squeezing in the mirror output. We consider the visibility of this entanglement and thermal effects.
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Thomas Smith (University of Sydney)13/12/2022, 17:30
We investigate a scheme for microwave-to-optical transduction using atomic three-level systems. Using quasi-degenerate perturbation theory we derive an effective Hamiltonian description for the conversion process. We find that the conversion is limited by off-resonant effects like unintended biphoton emission.
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Mr Anirban Ghosh (Indian Institute of Technology Kharagpur)13/12/2022, 17:30
In this work we study quench dynamics within the extended Su-Schrieffer-Heeger model. Specifically we consider the question if there is a quench between two topological states does the "path" of the quench impact the survival of the initial state.
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Alex Kerin13/12/2022, 17:30
We consider harmonically trapped systems of two and three bodies interacting via a contact interaction and present semi-analytic calculations of time-dependent observables, Ramsey signal and particle separation, following a quench in s-wave scattering length.
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Matthew Fewell (University of Adelaide (AU))13/12/2022, 17:30
A brief survey of recent B-physics studies with the ATLAS detector at the LHC, concentrating on tests of the standard model of particle physics.
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Ms Zixin Liang (Centre for Gravitational Astrophysics, The Australian National University)13/12/2022, 17:30
Reconstruction techniques with the aid of ray tracing are investigated for a custom-built OPT system operated without applying index matching material to strongly refracting objects.
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Davin Yue Ming Peng (Australian Research Council Centre of Excellence for Nanoscale Biophotonics, RMIT University)13/12/2022, 17:30
Here we report the research of real-time fluorescence monitoring during the creation of NV color centers in diamond using a femtosecond laser.
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Nattaphong Wonglakhon (Griffith University)13/12/2022, 17:30
In quantum metrology in the presence of noise, we show that using multi axis control leads to better than SQL scaling, and can even recover Heisenberg scaling under appropriate conditions.
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Dinusha Gunawardena (The Hong Kong Polytechnic University)13/12/2022, 17:30
High temperature sustainability of a new class of Bragg gratings referred to as regenerated polymer optical fiber Bragg gratings (RPOFBGs) in ZEONEX-based polymeric fibers are explored and integrated with cochlear implants to aid surgical navigation.
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Md Nazmul Islam Sarkar (University of South Australia)13/12/2022, 17:30
We demonstrated of a multimode fibre specklegram sensor for noninvasive respiratory rate monitoring on a hospital mattress using deep learning.
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Yow-Ming Hu (Australian National University)13/12/2022, 17:30
We theoretically investigate the wavepacket dynamics in a non-Hermitian, optically anisotropic exciton-polariton system and observe their self-acceleration. We also describe the formation of pseudospin topological defects in momentum space.
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Fernando Meneses (The University of Melbourne)13/12/2022, 17:30
This study analyses the temperature-dependent spin and optical properties of hexagonal boron nitride (hBN) nanopowders, which show a complex profile in optically detected magnetic resonance (ODMR) that may be exploited as a sensitive temperature sensor.
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Cedric Simenel13/12/2022, 17:30
We use static and time-dependent mean-field approaches to investigate and compare the shell effects affecting fragment formation in both fission and quasifission.
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Vahid Jaberian Hamedan13/12/2022, 17:30
The project is regarding the mapping silicon test mass birefringence using an automated system. The measurement is based on a polarization modulation technique using a PEM. Our system can measure small Birefriengence of 10^-9.
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Andreas Ioannou (Cyprus University of Technology)13/12/2022, 17:30
Detection of simulated failures in underground power cables using Multimode fibers. Failure in underground power cable couases overheat (hot-spot), and locating the problem is difficult. Detection is achieved through Distributed Temperature Sensors that use RAMAN-based measurements for high-precision temperature detection.
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Emily Filmer (University of Adelaide (AU))13/12/2022, 17:30
The High-Luminosity Large Hadron Collider is due to come online sometime in 2028, posing new challenges to the ATLAS detector. The new Inner Tracker is simulated to check hardware and software expectations are met and understood.
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Rose Manakil13/12/2022, 17:30
To observe Maxwell’s demon in our trapped Yb ion proof-of-concept experiment, a high finesse, high absolute transmission efficiency Fabry-Perot optical cavity is being developed to resolve < MHz scale shifts of single photons.
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Wen Qi Zhang (University of South Australia)13/12/2022, 17:30
Third (THG) and one-third harmonic generation (OTHG) have not been used practically despite their unique potential for various applications due to challenging phase matching conditions. Here we propose a stepladder scheme allowing efficient THG and OTHG from spontaneous processes.
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Feng Wang (Swinburne University of technology)13/12/2022, 17:30
The study theoretically investigates outer valence molecular orbitals in the isomerization of of norbornadiene and quadricyclane. Through space interaction of NBD is confirmed as the next highest occupied molecular orbital (10a1) of NDB.
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Dominic Williamson13/12/2022, 17:30
I will describe a bifurcating entanglement renomalization group flow that is based on the critical (1+ 1) D Ising model and go on to show that this defines a tensor network state with some unusual correlation function behaviour.
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Ori Henderson-Sapir (University of Adelaide)13/12/2022, 17:30
We investigate wavefront shaping in a multi-mode fibre amplifier to achieve simultaneous suppression of SBS while maintaining a high output beam quality
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Matthew Parry13/12/2022, 17:30
We use symmetry analysis of metasurfaces on thin film to determine the vector field profiles of the modes and thus calculate coupling to radiation channels, mode overlaps and the nonlinear polarisation of sum frequency generation.
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Matthew Edmonds (University of Queensland)13/12/2022, 17:30
We study how impurity atoms can be trapped within superfluid vortices in a two-component BEC. This leads to distorted vortex profiles and a mass-dependent splitting of the impurities energy. The excited states of the impurity show effects analogous to chemistry.
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Jack Webster (University of Wollongong / CSIRO)13/12/2022, 17:30
The System for Toxic Element Analysis (STELA) is a new novel instrument designed for the measurement of toxic elements at significantly improved detection limits using highly advanced X-ray optics in conjunction with X-ray fluorescence analysis.
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Kirrily Rule (Australian Nuclear Science and Technology Organisation)13/12/2022, 17:30
Taipan is the highest flux, thermal neutron scattering instrument at ANSTO, Australia. This poster will present some recent scientific highlights at Taipan – both as a triple axis spectrometer, and a Be-filter analyser spectrometer.
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Mr Ross Swinbourn (Swinburne University of Technology)13/12/2022, 17:30
Preliminary results on the generation of hydrogen and methane from Australian wheat straw.
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Krzysztof Wilczyński (InPhoTech sp. z o.o., ul. Poznanska 400, 05-850 Oltarzew, Poland)13/12/2022, 17:30
In this work we present our all-fiber fanout technology and the results of its evaluation. The broadband, low-loss components were tested for optical, environmental and mechanical performance showing high maturity and readiness for field deployments.
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Nabil Humphrey13/12/2022, 17:30
The newly developed tensor e-graph optimisation technique provides an efficient approach to compute correlation functions of multi-hadron states in lattice QCD. Benchmarks of numerical performance are presented for tensor e-graph optimisation applied to correlation functions for interpolating operators of nuclei.
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Qiucheng Song13/12/2022, 17:30
We study steerabilities of various $n$-party 2-producible entangled states. Most strikingly, a state produced from a single 2-qubit state allows one party shared a qubit from entangled state to steer any one of the n-1 otherparties for arbitrarily large $n$.
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Yosri Ben Aicha13/12/2022, 17:30
We present a novel atom interferometry scheme that allows readout-delay-free measurement by extracting phase information from overlapped spatial fringes to measure gravity on compact devices using Bragg pulses.
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Muhammad Nadeem (The University of Queensland)13/12/2022, 17:30
We introduce a semi-empirical microscopic model of spin crossover materials combining crystal field theory with elastic intermolecular interactions. We investigate the interplay of single site and collective physics of SCO materials. We demonstrate a realistic route to room temperature switching.
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Gurpreet Singh Gill (University of Western Australia)13/12/2022, 17:30
This work presents a surface micromachined long-wave infrared tunable Fabry–Pérot interferometer (FPI) incorporating Ge/BaF2/Ge solid-material distributed Bragg’s reflectors (DBRs) for 8–10 µm optical wavelength range. This work also represents a reliable and reproducible fabrication process for tunable cavity LWIR FPIs.
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Urveshkumar Soni (Charotar University of Science and Technology)13/12/2022, 17:30
The optical and chemical properties of the magnetic nanofluid can be altered using a magnetic field. The magnetic nanofluid shows tunability in the diffraction angle under a magnetic field. Hence, magnetic nanofluid is the potential candidate to prepare soft grating.
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Mitchell de Vries (RMIT University)13/12/2022, 17:30
We present a quantitative comparison of algorithms commonly supplied with time tagging hardware, as well as more sophisticated algorithms presented in the literature. It is apparent that different signal-to-noise ratios and measurement efficiencies can be achieved through these different algorithms.
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Wei Yan (The University of Melbourne)13/12/2022, 17:30
The self-terminated, layered structure of van der Waals materials introduces fundamental advantages for IR optoelectronic devices. We introduce a new van der Waals material candidate, zirconium germanium telluride (ZrGeTe4), to a growing family of promising IR van der Waals materials.
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Anna Radionova (Institute for Photonics and Advanced Sensing (IPAS) & School of Physical Sciences, The University of Adelaide, Adelaide 5005, SA, Australia)13/12/2022, 17:30
The paper reports an experimental method to visualize glass flow through an extrusion die. A soda-lime glass was used as the model glass for the visualization. The initial work used simple die designs to refine existing theoretical models.
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Thomasina Zaengle (Clemson University Graduate Student)13/12/2022, 17:30
Through the use of the flux-assisted molten core method, semiconductor core fibers (GaAs and ZnSe), that cannot be directly melted at ambient pressure due to intrinsic volatility have been fabricated into meters of fiber.
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Jonathan Dean13/12/2022, 17:30
Manganese characteristic X-ray spectra have been measured at the Diamond Light Source Synchrotron (U.K.) and compared with relativistic quantum theory.
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Prof. Jirina Stone (University of Oxford/University of Tennesse)14/12/2022, 09:45
Neutron stars,the densest known objects, form a rich laboratory for testing nuclear theories trying to describe the nuclear force. I will outline current approaches and their ability to impact the interpretation of gravitational waves arising from binary neutron star collisions.
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Mahananda Dasgupta (Australian National University)14/12/2022, 11:00Talk (preferred)
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Prof. Scott Diddams (University of Colorado Boulder)14/12/2022, 11:00
We explore and seek to define the standard quantum limit for metrology with optical frequency combs where the cyclostationary nature of the comb light impacts the shot-noise limited signal-to-noise ratio.
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Prof. Elizabeth Hinde (School of Physics, The University of Melbourne, Melbourne, Victoria 3052, Australiavvvvv)14/12/2022, 11:00ANZCOP: Microscopy, spectroscopy and imagingInvited talk
Nuclear architecture has emerged as a key player in DNA search and maintenance of genome integrity. Recently we developed a series of fluorescence microscopy methods to track the movement of molecules around DNA networks within the nuclei of live cells.
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Gavin Brennen (Macquarie University)14/12/2022, 11:00
I’ll describe protocols for simplified quantum processing on qubits using interactions mediated by quantized bosonic modes. These have applications for error mitigated quantum sensing and for non-local gates for low overhead quantum error correction.
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Tuomas Haggren (ARC Centre of Excellence for Transformative Meta-Optical Systems (TMOS), Research School of Physics, The Australian National University, Canberra, ACT 2601, Australia)14/12/2022, 11:00COMMAD: Semiconductor materials, devices, and technologiesInvited talk
We present a multilayer epitaxial lift-off process for thin-film fabrication for photovoltaics, flexible optoelectronics and III-V metamaterials. The lift-off process provides significant cost benefits by lifting off multiple large-area films from a single epitaxial stack.
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Archil Kobakhidze14/12/2022, 11:00
In this talk, I will describe how the non-trivial topology of curved spacetime induces quantum tunnelling between vacuum states that profoundly affect the properties and interactions of elementary particles. Namely, I will argue that gravitational instantons cause combined parity violation.
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731. Tradeoff between the Brillouin and transverse mode instabilities in high-power fiber amplifiersDr Jonathan Hu (Baylor University)14/12/2022, 11:00
The transverse mode instability is a nonlinear effect that limits the power in high-energy lasers. We describe the phase-matched model for TMI which yields a drastic speedup in computation time with no loss of accuracy.
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Dragomir Neshev (Australian National University)14/12/2022, 11:00ANZCOP: Metaoptics and plasmonicsInvited talk
Optical metasurfaces are driving the future of miniaturised optical technologies for dynamically reconfigurable optics. Here, I will present our recent advances in reconfigurable optical metasurfaces, including liquid crystal-tunable metasurfaces for phase modulation and electrically-programmable thermo-optical metasurfaces for fast transmission modulation.
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Dehong Yu14/12/2022, 11:00AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
While the Debye model has served as the fundamental law for bulk solid materials for over 100 years, recently new laws are discovered for liquid phase and nanoconfined solid materials.
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Howard Wiseman (Griffith University)14/12/2022, 11:00Invited talk
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Prof. Eva Bezak (University of South Australia)14/12/2022, 11:10Talk (preferred)
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Scott Penfold (Australian Bragg Centre for Proton Therapy and Research, and University of Adelaide.)14/12/2022, 11:20Talk (preferred)
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Yana Izdebskaya (Australian National University)14/12/2022, 11:30ANZCOP: Nanophotonics, metaoptics and plasmonicsInvited talk
We demonstrate fully three-dimensional (3D) active tuning of dielectric metasurfaces integrated with liquid crystals and dynamically controlled by magnetic field. Our approach entails good promise for highly tunable optical metadevices.
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Joshua Foo14/12/2022, 11:30
We recently devised a weak-measurement model for calculating the relativistic Bohmian trajectories of photons. Here, I discuss an extension of this model to include relativistic two-photon interactions, and calculate the nonlocal Bohmian trajectories for photons in a position-symmetrised state.
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Dan George (Macquarie University)14/12/2022, 11:30
We apply the wavelet transform to generate compressed representations of ground states of QFTs and demonstrate applications such as identification of quantum phase transitions via fidelity overlap and approximation of the holographic entanglement of purification.
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Prof. Nigel Spooner (The University of Adelaide)14/12/2022, 11:30Talk (preferred)
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Ms Suse J. van Breugel (School of Chemical Sciences, The University of Auckland)14/12/2022, 11:30ANZCOP: Microscopy, spectroscopy and imagingTalk (preferred)
A fibre-optic probe is applied to discriminate clinically significant cancers from non-significant & healthy prostate tissue using Raman Spectroscopy. Results show excellent classification between the two tissue types. Our current work aims to unravel new trends within our existing dataset.
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Emma Laird (University of Queensland)14/12/2022, 11:30AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We have the first exact solution of exciton-polaritons in magnetic fields, which agrees extremely well with experiments.
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Manjith Bose (The University of Melbourne)14/12/2022, 11:30COMMAD: Materials and device characterisationsTalk (preferred)
A fabrication process for unique AlSi alloy nanowires and corresponding magneto-resistance data presented.
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Dr Susannah Jones (UK Defence, Science and Technology Laboratory)14/12/2022, 11:30
System engineering quantum technology for defence applications, an overview of the Ministry of Defences (MoD) Defence science and technology laboratory (Dstl) quantum research portfolio.
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Susan Scott (The Australian National University)14/12/2022, 11:30Invited talk
The general theory of relativity, presented by Albert Einstein in 1915, has been well tested over the last century, and has led to far-reaching consequences, most of which were foreseen by Einstein himself. Two notable exceptions were that he did not predict the prevalence of space-time singularities throughout general solutions of the Einstein field equation, and although he knew that...
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Kabish Wisal (Yale University)14/12/2022, 11:30
We show theoretically(and numerically) that TMI threshold increases linearly with number of equally excited modes in a multimode fiber amplifier. The multimode excitation is numerically focussed to a diffraction-limited spot, providing a stable high quality beam, with increased TMI threshold.
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Gary Hale (Curtin University)14/12/2022, 11:40Talk (preferred)
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Olivier Bleu (Monash University)14/12/2022, 11:45AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
In this joint theory-experiment work, we study Bogoliubov excitations of a
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polariton condensate in dynamical equilibrium with an incoherent excitonic reservoir. -
Zane Peterkovic14/12/2022, 11:45
Herein we present a scheme for highly efficient third harmonic generation (THG) via a phase compensation between two segments of fibre; we simulate the gap between these segments to characterise the coupling, gap length, and effects of misalignment.
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Ms Rouyan Chen (School of Electrical and Electronic Engineering, The University of Adelaide, Adelaide, SA 5005, Australia.)14/12/2022, 11:45ANZCOP: Microscopy, spectroscopy and imagingTalk (preferred)
This project utilises a miniaturised fibre-optic probe with dual-modality imaging capability that can simultaneously acquire optical coherence tomography and fluorescence in diseased blood vessels of mice injected with fluorescent nanoparticles.
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Tien Kieu (Centre for Quantum Technology Theory and Optical Sciences Centre, Swinburne University of Technology, Victoria, Australia)14/12/2022, 11:45
We derive some Quantum Central Limit Theorems for expectation values of coarse-grained observables, as functions of hermitean operators of non-commuting variables. These open some pathway for an emergence of classical behaviours. We also obtain some nontrivial time-dependent differential entropies.
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Daniel Terno14/12/2022, 11:45
Hidden variable models that attempt to ascribe objective notion of being particle or wave contradict experiments. Quantum-controlled delayed choice experiments may show that they are internally inconsistent, and use of, entanglement makes them impossible to define.
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Mr Sujan Kumar Das (Research School of Physics, The Australian National University, Canberra, ACT, Australia)14/12/2022, 11:45COMMAD: Semiconductor materials, devices, and technologiesTalk (preferred)
Vanadium oxide, metal-insulator transition, negative differential resistance, threshold switching, neuromorphic computing.
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Jacinda Ginges14/12/2022, 11:50Talk (preferred)
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Neuton Li14/12/2022, 12:00ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
We design and experimentally demonstrate topologically optimised free-form metasurfaces that efficiently convert unpolarised light from LEDs or other common sources to the same pure output polarisation, exceeding the 50% limit of conventional polarisers.
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Dr Daniel McCloskey (The University of Melbourne School of Physics)14/12/2022, 12:00ANZCOP: Microscopy, spectroscopy and imagingTalk (preferred)
I will present our recent results detailing the design and fabrication of a diamond-based optical voltage imaging platform, and our progress to date in realizing intracellular electrophysiological recordings of mammalian neurons using this new optoelectronic biosensor technology.
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Dr Ryuji Takagi (Nanyang Technological University)14/12/2022, 12:00
We establish universal performance bounds pertaining to the general quantum error mitigation protocols. We employ them to show the fundamental difficulty of mitigating noise in variational quantum circuits and the optimality of the probabilistic error cancellation method.
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Yury Stepanyants14/12/2022, 12:00
The interaction of solitary waves in continuous media described by Kadomtsev-Petviashvili type equations is studied. The theoretical concept of particle-like soliton interactions in two-dimensional media is developed and illustrated by examples.
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Michael Johnston (University of Oxford)14/12/2022, 12:00
We have developed modulators and detectors of terahertz (THz) frequency radiation by exploiting the unique properties of semiconductor nanowires. Our new cross-nanowire THz receiver is enabling the emerging field of THz polarimetry.
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Prof. Jim Williams (Research School of Physics, The Australian National University)14/12/2022, 12:00Invited talk
In recent years, it has been shown that silicon is not only the foremost electronic and photovoltaic material but can be structurally modified to dramatically enhance its properties and applications. This presentation highlights two such cases. First, silicon has been shown to possess up to 12 crystalline phases in addition to the equilibrium diamond cubic structure that has fueled the silicon...
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Kabish Wisal (Yale University)14/12/2022, 12:00
We experimentally obtain a diffraction-limited focused spot at the output of a multimode fiber, resulting in increased SBS threshold(1.5x). We show theoretically and experimentally an even higher(2.3x) SBS threshold is obtained by axially offsetting the focused spot.
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Dr Ceri Brenner (Australian Nuclear Science and Technology Organisation)14/12/2022, 12:00Talk (preferred)
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Bianca Rae Fabricante14/12/2022, 12:00AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We present time-resolved measurements of the ultrafast evolution of long-range spatial coherence of trapped microcavity exciton-polariton condensates spatially separated from the reservoir.
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Dr Michael Slocum (US Air Force Research Laboratory)14/12/2022, 12:00
We will discuss work ongoing within the US Air Force Research Laboratory developing supporting technologies, solid-state qubit materials and sensing approaches to realize and miniaturize ambient and room temperature quantum sensors.
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Dr Edward Obbard (University of New South Wales)14/12/2022, 12:10Talk (preferred)
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Manushan Thenabadu (Swinburne University of Technology)14/12/2022, 12:15
We predict violations of Bell, Leggett-Garg, and dimension-witness inequalities for macroscopic qubits based on macroscopically-distinct coherent states. This challenges our understanding of macroscopic realism versus quantum mechanics and motivates the examination of realism in quantum mechanics.
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Shaban Sulejman (ARC Centre of Excellence for Transformative Meta-Optical Systems, School of Physics, The University of Melbourne, Victoria 3010, Australia)14/12/2022, 12:15ANZCOP: Microscopy, spectroscopy and imagingTalk (preferred)
Notch filters are band-stop filters used to eliminate unwanted temporal frequencies. Here we demonstrate their capacity for phase contrast imaging of transparent objects enabled by its selective transmission. Applications in unstained biological imaging are anticipated.
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SHUEN WEI (University of Adelaide)14/12/2022, 12:15
We experimentally demonstrate that adjusting the input wavefront of a multimode fiber can be used to simultaneously shape beam and suppress simulated Brillouin scattering (SBS) for a high-power narrow linewidth system.
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Dr Daichi Kurebayashi (The University of New South Wales)14/12/2022, 12:15AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
An analytic theory and micromagnetic approach have been developed for emergent inductors in spiral magnets, revealing what determines its inductance.
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Ayse Kizilersu (University of Adelaide)14/12/2022, 12:15
We will be discussing the behaviour of the electronic order book in terms of its ingredients : arrival/cancellation time, waiting-time, inter-trade time. The London stock exchange data is used in this study and its analysis will be discussed.
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Cameron Jefferies (Australasian Radiation Protection Society.)14/12/2022, 12:20Talk (preferred)
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Kishan Dholakia14/12/2022, 14:00ANZCOP: Microscopy, spectroscopy and imagingInvited talk
Optical levitation of micro and nanoparticles in vacuum offer new approaches for precision measurement and fundamental physics. We will discuss the use of rotational degree of freedom for achieving high Q values, rotational-translational dynamics and sympathetic cooling of microparticles.
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Eric Cavalcanti (Griffith University)14/12/2022, 14:00
We analyse the ontological models framework underlying Spekkens' formalism for contextuality, in the light of quantum causal models. We argue that QCMs can maintain the spirit of noncontextuality by rejecting classical assumptions about how intermediate causes screen off correlations.
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Prof. William Munro (NTT Basic Research Laboratories & NTT Research Center for Theoretical Quantum Physics)14/12/2022, 14:00
The inherent differences between classical quantum physics means it is essential for us to establish how a quantum internet will operate, including the functionality required from quantum repeaters as well as the support our telecommunications internet will need to provide.
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14/12/2022, 14:00
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judith dawes (Macquarie university)14/12/2022, 14:00ANZCOP: Nanophotonics, metaoptics and plasmonicsInvited talk
Orbital angular momentum modes of light offer excellent prospects for increased bandwidth for spatial division multiplexing for communications with minimal cross talk. Here we discuss the application of metasurfaces to analyse orbital angular momentum modes in free space.
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Oleg Sushkov14/12/2022, 14:00AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
We predict that at appropriate tuning of bias suspended bilayer graphene undergoes quantum phase transition from band insulator to excition insulator. The corresponding critical temperature can reach up to 70K
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Liam Hanlon14/12/2022, 14:00
We use nitrogen-vacancy (NV) centers implanted directly into the culet of diamond anvil cells (DACs) in order to directly measure the magnetic field generated by samples at extremely high pressures. This allows for a direct study of high-pressure superconductivity.
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Warwick Bowen (The University of Queensland)14/12/2022, 14:00
It has long been predicted that quantum correlated light can improve microscopy. Here we show absolute performance advantage, using quantum corelated light to achieve clarity in bioimaging beyond the photodamage limit of conventional microscopy.
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Sumeet Walia (RMIT University)14/12/2022, 14:00COMMAD: Emerging materials: 2D, oxide, organic, and perovskite materialsInvited talk
Atomically-thin materials possess unique intrinsic properties and are amenable to a range of tuning techniques. We harness these properties underpinned by application demand and work with industry to translate into end-user products.
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Elizabeth Hinde14/12/2022, 14:22
Here we present results which demonstrate that the diffusive route of an inert fluorescent tracer reports intracellular topology and in particular and the real time accessibility of live cell nucleus architecture.
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Luis Villegas Aguilar14/12/2022, 14:30
Nonlocality is a paramount resource for quantum communications. In this experimental work, we aim to demonstrate, using single photons, the emergence of Bell nonlocality in quantum states that would be unable to display nonclassical behaviour in the standard Bell scenario.
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Alexander Wood (University of Melbourne)14/12/2022, 14:30
I will report on our demonstration of dc magnetometry that exceeds the sensitivity of $T_2^\ast$-limited Ramsey sensing by more than an order of magnitude. Our work demonstrates that diamond magnetometry below the $T_2^\ast$ limit is possible.
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Bryan Dalton (Swinburne University of Technology)14/12/2022, 14:30
Grassmann Phase Space Theory is applied to the BEC/BCS crossover in cold fermionic atomic gases to determinine the time/temperature evolution of Quantum Correlation Functions specifying the positions of fermionic atoms of opposite spin in single or two Cooper pairs.
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Simone Lamon (University Of Shanghai For Science And Technology)14/12/2022, 14:30ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
The photoswitching of upconversion nanoparticles was shown under high-energy irradiation. Time-dependent upconversion emission changes were ascribed to lanthanide ion valence state shifts. These findings offer new avenues for optical switching enabled by upconversion nanoparticles.
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Cahit Kargi (University of Technology Sydney)14/12/2022, 14:30
In this talk, we present universal performance behaviours in Trotterised digital quantum simulations. For example, beyond a threshold in Trotter step size, the Trotterisation performance breakdown with the onset of quantum chaos, meaning the Trotterised unitary becomes a random matrix.
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Brendan Mulkerin14/12/2022, 14:30AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We present our theoretical investigations on finite temperature exciton-polaritons in doped transition-metal dichalcogenides monolayers. We apply a virial expansion to the many-body Green's function, which allows for the exact calculation of the absorption spectrum and photoluminesence.
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Dr Martin Ploschner (School of ITEE, The University of Queensland)14/12/2022, 14:30ANZCOP: Microscopy, spectroscopy and imagingTalk (preferred)
We harness principles of spatial state tomography to fully characterise an optical beam in space, time, spectrum, and polarisation. Analysis of the output of a vertical-cavity surface-emitting laser illustrates the technique's capabilities.
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Xiao Guo (The University of Queensland)14/12/2022, 14:30COMMAD: Materials and device characterisationsTalk (preferred)
We employ terahertz scattering-type scanning near-field optical microscopy to quantitatively investigate the materials and structures in the nano-scale. We explore inorganic materials, contemporary electron devices, and biological nano-structures.
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Melissa Mather (University of Nottingham)14/12/2022, 14:44
Nitrogen Vacancies in diamond nanoparticles are employed for in situ monitoring of the magnetic state of photomagnetic materials down to the single particle level, the stability of molecular cages containing atomic Nitrogen, and spin active products of photocatalysis.
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Alessandro Tuniz (The University of Sydney)14/12/2022, 14:45ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
We present a comprehensive and accessible "explorer's map" showing maximum coupling efficiencies and coupling lengths for dielectric-plasmonic directional couplers as a function of coupling strength and loss. This map is useful for designing any photonic integrated circuit containing plasmonic waveguides.
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Kiarn Laverick (Griffith University)14/12/2022, 14:45
In this work we formally define the retrofiltered quantum state using the quantum state smoothing formalism and Bayesian estimation theory. Additionally, we are able to define a total of 9 different estimators using this framework, of which 3 are novel.
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Mr Shifan Wang (The University of Melbourne)14/12/2022, 14:45COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsTalk (preferred)
For the first time, we integrate two-dimensional black phosphorus photoconductors onto waveguides fabricated on the emerging lithium niobate-on-insulator platform, and demonstrate efficient on-chip detection at telecommunication wavelengths.
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92. Modelling transport properties of a transverse magnetic focusing system with spin-orbit couplingYik Kheng Lee14/12/2022, 14:45AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We use the finite difference method and the non-equilibrium Green's function formalism to calculate transport properties of a two-dimensional transverse magnetic focusing system with spin-orbit coupling.
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Andrew Komonen14/12/2022, 14:45ANZCOP: Microscopy, spectroscopy and imagingTalk (preferred)
This paper presents on-the-fly calculation of holographic masks to generate arbitrary spatiotemporal beams. This includes compensating for beam defocusing through the system, allowing for advanced spatiotemporal beams to be generated at large time delays.
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Yanan Liu (Griffith University)14/12/2022, 14:45
We designed a quantum optical version of time delayed self-sustained oscillations, which has focused towards developing quantum clocks.
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Taras Plakhotnik14/12/2022, 15:00ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
We show that photo luminescence rate of silicon-vacancy centres in HTHP diamond is proportional to the sixth power of crystal diameter and consider interactions of photons with centres and kinetics of the crystals growth to explain the results.
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Jayne Thompson14/12/2022, 15:00
See Abstract Attached
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Cedric Simenel14/12/2022, 15:00
A quantum ring model of same spin fermions is developed. Quantum Monte Carlo calculations are performed. Comparisons with analytical Hartree-Fock solutions are used to get an insight into the role of correlations.
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Michael Barson (Monash University)14/12/2022, 15:00
See abstract in attached word document.
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Ivan Zhigulin14/12/2022, 15:00COMMAD: Emerging materials: 2D, oxide, organic, and perovskite materialsTalk (preferred)
Stable single photon quantum emitters in hexagonal Boron Nitride (hBN) can be deterministically created in the material and consistently emit at 436 nm wavelength. This work conducted Stark effect measurements on a number of blue emitters to investigate their nature.
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Dr Andrew Martin (RMIT University)14/12/2022, 15:00AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
The pair-angle distribution function (PADF) is a multi-atom distribution of atomic structure that can be directly measured with x-ray or electron scattering. It enables, for example, direct bond-angle distribution measurements and has wide applicability at the nanoscale.
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Farzad Ghafari (Griffith University)14/12/2022, 15:00
Quantum nonlocality is a resource that enables secure quantum information tasks. Steering nonlocality is a scenario where one party is in a secure location and another party is not. Here, we show detection-loophole-free quantum steering, using a vector-vortex state encoding.
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Irina Kabakova (University of Technology Sydney)14/12/2022, 15:00ANZCOP: Microscopy, spectroscopy and imagingTalk (preferred)
Brillouin microscopy has emerged as a non-invasive and label-free technique to map micro-mechanical properties of cells. Here we apply Brillouin microscopy to probe reorganization of F-actin network in respiratory cells treated with Timothy grass pollen protein extracts.
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Dr James Hutchison (University of Melbourne)14/12/2022, 15:06
This talk will outline recent studies of iridescent structures in a range of insects that may be of sufficient Q-factor to support strong light matter interactions. Sustainable and bio-degradable approaches to polaritonics will be discussed.
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Matthew Winnel14/12/2022, 15:15
The highest rates of quantum communication networks are fundamentally limited by the transmission distance between quantum repeaters. In this work, we give a practical design for this achievability.
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Sergey Kruk (Australian National University)14/12/2022, 15:15ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
Experimental results on nonreciprocal one-way transmission of light (optical isolation) through ultra-thin dielectric metasurfaces will be reported. Experimental observations of asymmetric parametric generation of images with nonlinear dielectric metasurfaces will be presented.
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Murray Batchelor (Australian National University)14/12/2022, 15:15
In this talk I will describe recent progress on two particular N-state generalizations of the widely studied quantum Ising model -- the N-state superintegrable chiral Potts model and the Z(N) free parafermion model.
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Neil Dowling14/12/2022, 15:15
We realise a common principle that applies to a wide range of seemingly distinct concepts and diagnostics of quantum chaos. We use this to identify a fundamental link between quantum chaos and entanglement.
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Ms Priya Singh (School of Science, RMIT University, Melbourne, VIC 3001, Australia)14/12/2022, 15:15COMMAD: Nanoelectronic and nanophotonicsTalk (preferred)
Validating the use of hexagonal boron nitride (hBN) nanopowders as a simple, cost-effective solution for quantum sensing applications. Demonstrating sensing of paramagnetic ions using hBN nanopowder and further exploring its magnetic sensing capabilities by preparing thin films of controlled thickness.
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589. Three-dimensional characterisation of cellular elasticity using quantitative micro elastographyDr Matt Hepburn (The University of Western Australia)14/12/2022, 15:15ANZCOP: Microscopy, spectroscopy and imagingTalk (preferred)
The elasticity of cells and their environment are critical regulators of cell functions. In this work, we present the development of quantitative micro-elastography to characterise the elasticity of cells and cell spheroids in 3-D biomaterials.
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Chris Lew14/12/2022, 15:15
In this talk, we present our approach toward the establishment of a full vector magnetometer using the nitrogen-vacancy defect center in diamond.
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Fil Simovic (Macquarie University)14/12/2022, 16:00
We study black hole thermodynamics in asymptotically de Sitter spacetimes, which is poorly understood owing to the presence of the cosmological horizon. We use a path integral approach to make equilibrium manifest, and study the resulting phase structure.
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Deb Kane14/12/2022, 16:00COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsInvited talk
Optimum semiconductor laser parameters for generating broad rf bandwidth chaotic output are informed by numerical simulation results of a SL with delayed optical feedback system. The simulation results are also connected with experiments.
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Sarah Scholten (Institute for Photonics and Advanced Sensing, University of Adelaide)14/12/2022, 16:00
We demonstrate the in- and out-of-lab performance of the first automated, portable, dual-colour two-photon optical rubidium clock with integrated comb. Fractional frequency instabilities of $1.3\times10^{-13}/\sqrt{\tau}$ for $1\text{s}<\tau<1000\text{s}$, crossing the $10^{-15}$ regime at $\tau=200$s, are achieved.
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Dongchen Qi14/12/2022, 16:00AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
See the attachment.
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Gregory White (The University of Melbourne)14/12/2022, 16:00
We develop and demonstrate a set of tools for both detailed and efficient characterisation of the full set of temporal correlations present in quantum dynamics. Applications range from noise reduction to the general study of open quantum systems.
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Dr Paul Dyke (Swinburne University of Technology)14/12/2022, 16:00
We study the dynamics in a strongly interacting Fermi gas following a quench of the interactions. Using two-photon Bragg spectroscopy, we directly observe the amplitude oscillations, obtaining measurements of the pairing gap and damping rate as a function of temperature.
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Nicholas Hunt-Smith14/12/2022, 16:00The culture of Physics and Research
An open panel discussion focusing on issues with the way physics research is currently conducted in Australia, along with how best to improve these practices to facilitate a more productive scientific culture. Panellists include Prof. Laura Greene (AIP plenary speaker, Florida State University), A/Prof Charlene Lobo (Head of Physics Discipline, University of Technology Sydney) and Prof. Trevor...
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Irene Bolognino (The University of Adelaide, Adelaide, SA 5005, Australia. ARC Centre of Excellence for Dark Matter Particle Physics, Australia.)14/12/2022, 16:00
The SABRE-South experiment, located at SUPL, Australia, aims to detect dark matter to provide a model independent test of the signal observed by DAMA/LIBRA.
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This talk will describe the complexity of SABRE-South and the general status of its assembly. -
Prof. Harald Giessen (University of Stuttgart)14/12/2022, 16:00ANZCOP: Photonic integration and fabricationInvited talk
Here we introduce a new technique, time-resolved vector microscopy, that enables us to compose entire movies on a sub-femtosecond time scale and a 10 nm scale of the electric field vectors of surface plasmon polaritons. Depending on the shape and geometrical phase, in combination with the helicity of the excitation beam, topological plasmonic quasiparticles are created: skyrmions, merons, as...
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Sebastian Murk (Macquarie University and Sydney Quantum Academy)14/12/2022, 16:15
In spherical symmetry, only two classes of dynamic solutions to the semiclassical Einstein equations describe physical black holes, and their formation follows a unique scenario. To be compatible with their existence, modified gravity theories must satisfy several constraints.
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Benjamin White (University of Adelaide)14/12/2022, 16:15
We report on progress towards a compact Ytterbium cold atom trap system, including the fabrication of grating magneto-optical trap chips and compact ovens. The aim is to develop a high-performance field deployable optical clock.
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Anibal Utreras-Alarcon (Griffith University)14/12/2022, 16:15
Studying the correlations within a bipartite sequential Wigner's friend experiment, in particular when compared to the already known correlations of a scenario with the same number of inputs and outputs under a local hidden variable model.
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Karen Kheruntsyan14/12/2022, 16:30
We theoretically investigate breading oscillations of a harmonically trapped 1D quasicondensate at finite temperatures. We find that the oscillations exhibit beating of two oscillatory modes, unlike previous studies that predicted only a single oscillation frequency.
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Aidan Strathearn14/12/2022, 16:30
We develop an analytic model for atomic beam clocks, incorporating a realistic laser profile with wavefront curvature. Our model explains previous empirical observations about signal optimisation and enables further optimisation of stability and accuracy.
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Mr Simon White (School of Mathematical and Physical Sciences, University of Technology Sydney, Ultimo, New South Wales 2007, Australia.)14/12/2022, 16:30ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
The control and manipulation of quantum systems underpin the development of scalable quantum technologies. Here, we demonstrate the electrical activation and modulation of single photon photoluminescence from quantum emitters in hexagonal boron nitride.
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Prof. Jeffrey Davis (Swinburne University of Technology)14/12/2022, 16:30AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
The dominant interactions between polarons in monolayer WS${}_2$ occur between polarons dressed by the same Fermi-sea of electrons. Repulsive interactions are mediated by phase space filling, while attractive interactions lead to the formation of bipolarons.
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Paul Jackson (University of Adelaide)14/12/2022, 16:30
This contribution will summarise results from the ATLAS Experiment at the CERN Large Hadron Collider related to the Higgs boson, top quarks and various searches for the beyond the Standard Model phenomena.
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Dr Christopher Ferrie (Center for Quantum Software and Information, University of Technology Sydney)14/12/2022, 16:30
We compute states that maximize average fidelity over ensembles of quantum states via semidefinite programs. We derive lower and upper bounds to maximal average fidelity that are exact in the commuting scenario. Our results find applications in tomography.
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Evan Gale (University of Queensland)14/12/2022, 16:30
We consider a relativistic UDW detector model with first-quantised centre of mass, which we compare to a full field-theoretic description. We analyse the transition rate to first-order in perturbation theory for different types of minimum uncertainty state.
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Mr Afshin Karami (School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA, 5005, Australia)14/12/2022, 16:30COMMAD: Materials and device characterisationsTalk (preferred)
UV emission from lanthanide-doped upconversion nanoparticles could promotes cell damage in super-resolution microscopy (details in the attached PDF file)
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Rachel Offer14/12/2022, 16:45
We demonstrate the first measurement of the 10-mHz wide ytterbium clock transition to be made on an atomic beam, and report on the development of a portable optical atomic clock based on this technique.
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Andrew Groszek (The University of Queensland)14/12/2022, 16:45
To study the viability of a rotation sensing scheme using ultracold atoms, we numerically model the decay of standing waves excited in the density of a ring-shaped Bose-Einstein condensate.
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Harish Vallury14/12/2022, 16:45
The Quantum Computed Moments (QCM) method offers a powerful correction to the ground state energy estimate obtained in variational quantum algorithms. We observe that this QCM estimate is incredibly robust to noise, and analyse the versatility of the approach.
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Ms Huijia Luo (Department of Electrical, Electronic and Computer Engineering, The University of Western Australia, Perth 6009, Australia)14/12/2022, 16:45COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsTalk (preferred)
This work presents a study on the chemical vapor deposition-grown Sb2Se3 nanowires and their applications in polarized photodetection. The fabricated photodetector exhibits a good sensitivity to polarized light at 830nm. Conventional and polarimetric imaging are also achieved under white light.
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Peng Ren14/12/2022, 16:45ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
We explore the lifetime and cross-correlation of different sizes NaYbxY1-xF4 (x = 20%, 50% and 100%) nanoparticles. The lifetime reduces when Yb doping concentration increases, The g2(0) of NaYbYF4 is over 10, but only for nanocrystal size below 40 nm.
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Dr Fatema Tanjia (Griffith University)14/12/2022, 16:45
Here we show that Lorentz invariance emerges phenomenologically in the new Quantum Theory of Time in a natural way, i.e. due to the Galilean transformation of the background T violating field.
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Harish Potti (University of Adelaide (AU))14/12/2022, 16:45
The nature of dark matter is still unknown and it is one of the key questions in particle physics. Many beyond the Standard Model theories predict the production of dark matter particles in the decays of the Higgs boson. As dark matter particles do not interact with the detector, they would be invisible to the detector and can only be probed using the presence of missing transverse...
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Dominique Didier St Médar (UNSW, SQC)14/12/2022, 16:45AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We present spatially-resolved spectroscopy of dopant-based atomic-scale devices in silicon using the resolution of low-temperature scanning tunnelling microscopy towards the fabrication and spectroscopy of artificial quantum matter in the context of dopant-based analogue quantum simulators in silicon
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Ben Sparkes14/12/2022, 17:00
We demonstrate quantum time transfer using correlated photons over a 100 m free-space link with picosecond resolution. We present our latest results showing the effects of loss and noise on our quantum clock synchronisation protocol.
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Cyril Laplane14/12/2022, 17:00ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
We present our investigations into the dynamics of levitated rare-earth ions doped nanocrystals using optical tweezers. In particular we will present results on the absolute cooling (i.e. of the motional and internal temperature) of these levitated nanocrystals.
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Mr Ross Monaghan (University of Adelaide)14/12/2022, 17:00AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We theoretically show the all-electrical control of the electron’s two lowest valley states in a silicon/silicon-germanium heterostructure.
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Carolyn Wood (The University of Queensland)14/12/2022, 17:00
We show that mass–energy equivalence must be included in models of a quantum particle interacting with an external environment in order to represent physically relevant scenarios such as atom-light interactions.
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Hui Hu14/12/2022, 17:00
We briefly review the research on second sound in ultracold atomic physics, with emphasis on strongly interacting unitary Fermi gases with infinitely large s-wave scattering length.
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upender singh14/12/2022, 17:00COMMAD: Quantum computing and circuitsTalk (preferred)
We characterize superconducting Tungsten Silicide films for high kinetic inductance. The films are then used to fabricate superconducting microwave resonators with high internal quality factors, and resilience to in-plane magnetic fields with potential applications in scale-up quantum computing.
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Teerawat Chalermpusitarak14/12/2022, 17:00
We introduce a new method to simulate the dynamics of an open quantum system by using a hierarchy of master equations, which update not only the relevant information about the system but also the leading correlations of the bath operators.
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Alexei Sopov (University of Melbourne)14/12/2022, 17:00
We propose a variant-axion extension of the Standard Model (coined VISHν) which additionally explains small neutrino masses, dark matter, the baryon asymmetry of the universe and inflation, while remaining technically natural and cosmologically benign.
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Dominic Lewis (RMIT University)14/12/2022, 17:15
We use bandlimitation to express quantum fields as simultaneously continuous and discrete, showing that discrete fields posess continuous translational symmetry and taking us a step towards unifying quantum field theory with general relativity.
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Jesper Leong14/12/2022, 17:15
Possible new physics is incorporated into the QMC energy density is shown to be capable of predicting a neutron star mass of 2.1 M$_\odot$ without changing the symmetric nuclear matter properties at saturation density.
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Mr Junfan Wang (University of Melbourne)14/12/2022, 17:15
We consider a quasi-one-dimensional dipolar BEC, with strong trapping along the two-axis orthogonal to the aligning dipole field (z-axis). When the z-axis trapping is switched off we numerically and analytically characterise the frequency and amplitude of the BEC width oscillations.
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Dr Fauzia Jabeen (University of Würzburg)14/12/2022, 17:15COMMAD: Nano/micro-fabrication and processingTalk (preferred)
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Anneshwa Dey14/12/2022, 17:15
We present offset decoding in digitally enhanced interferometry using a a new pseudo random noise code called A1 code that leverages the benefits of traditionally used m-sequences and provides additional noise cancellation that enhances the phase fidelity of signal recovered.
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Fedor Kovalev (The Australian National University)14/12/2022, 17:15ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
To realise a tunable filter in the long wavelength infrared range, we integrate a metasurface with a micro-electro-mechanical system. Proposed devices will make an impact in remote infrared imaging and sensing.
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Jackson Allen (University of Wollongong / ANSTO)14/12/2022, 17:15AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
Atacamite is a frustrated quantum magnet, a class of materials which often exhibit exotic magnetic phases. The magnetic characteristics of atacamite have been investigated through various experimental and theoretical techniques. These will be discussed and compared.
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Prof. Noah Finkelstein (University of Colorado, Boulder)15/12/2022, 09:00
Significant, perhaps unprecedented, attention is being paid to the needs for transformation within the fields of science, technology, engineering, and mathematics (STEM) education at the undergraduate level. This talk examines how higher education STEM disciplines, and physicists and physics departments in particular, are positioned to contribute to these discussions and address our...
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Prof. Rana Adhikari (Caltech)15/12/2022, 09:45
The LIGO-Virgo-KAGRA network has detected approximately 100 merging compact objects using gravitational wave detection. The next series of upgrades promises increasing our understanding of highly warped spacetime, nuclear astrophysics, and cosmology. To reach those astrophysical targets, the measurements will have to be improved through quantum metrology, advances in thin film materials, and...
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Haoran Ren (Monash University)15/12/2022, 11:00
Ultrathin meta-optics has transformed current photonic design. I will highlight a new 3D meta-optics platform with unleashed height degree of freedom. Design, 3D laser nanoprinting, and applications of various 3D metasurfaces will be discussed.
Bio:
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Dr Haoran Ren is an ARC DECRA Fellow at Monash University. He joined Monash University in mid-2022, before that he held a Macquarie... -
Alex Hemming (DSTG)15/12/2022, 11:00
Fibre sources and metal-coated fibres are relevant to a range of dual-use applications. We will review DST work and highlight opportunities for collaborative programs based on these enabling technologies.
Fibre based sources present a compelling platform for the development of laser and amplifier devices to address a range of applications. The monolithic nature of fibre sources combined...
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Dr Karina Hudson (University of New South Wales)15/12/2022, 11:00AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
In this talk we demonstrate how, using quantum point contacts (QPCs), we are able, for the first time, to carefully design devices with known electrostatic confinement dimensions, providing a pathway to scalable topological quantum hardware.
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15/12/2022, 11:00
Format: 15 minutes Talks from experts in the field + Q&A. University professors & high school teachers
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Description: Excitement in Physics is infectious, and it draws people in. For example, Paul Hewitt became known for his passionate and fun way advocating for physics and inspiring many students. Dianna Cowern, an MIT graduate, became a YouTuber known as ‘Physics Girl’. Brian May, the league... -
Prof. Antoni Rogalski (Military University of Technology)15/12/2022, 11:00COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsInvited talk
The purpose of this paper is to point out these unreliable photodetector parameters noted by the author and to try to draw attention to the obvious physical limitations of photodetectors that are sometimes overlooked in estimating photodetector performance.
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Lan Fu (The Australian National University)15/12/2022, 11:00ANZCOP: Photonic integration and fabricationInvited talk
Semiconductor nanowire arrays have drawn much attention as nanoscale building blocks for integrated photonics, owing to their nanoscale size and unique material properties. In this talk, we present the study of nanowire array based materials and devices for photonic integration.
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Dr Sarah Pearce (SKAO)15/12/2022, 11:00
The SKA Observatory will transform our understanding of the Universe. After decades of planning, construction of two telescopes is about to start in Australia and South Africa. Hear the latest on Australia’s first mega-science project.
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Chris Perrella (University of Adelaide)15/12/2022, 11:00
We present a deployable underwater atomic magnetometer that enables novel approaches to magnetic anomaly detection. We demonstrate that a pair of these magnetometers can detect a surface craft passing 15m above the submerged sensors.
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15/12/2022, 11:00
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Deb Kane15/12/2022, 11:00
Can a “Chegg-proof” examination of a standard physics unit be set? The answer, of course, is yes. But at what cost in academic workload, and is this the best use of that time?
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Prof. Paul Lasky (OzGrav Monash University)15/12/2022, 11:10
What physics and astrophysics will we uncover with the next generation of gravitational-wave observatories? I will review the broad science case for future instruments, including tests of general relativity, relativistic and nuclear astrophysics, and extragalactic physics.
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Miroslav Filipovic15/12/2022, 11:30AIP: Group for Astroparticle PhysicsTalk (preferred)
The CTA is the next generation ground-based high-energy gamma-ray telescope, constructed-operated by 25 countries. Its Key Science span Galactic/Extragalactic, time-domain and fundamental (astro)physics. Australian participation in CTA is through a consortium of 7 universities, with additional AAL funding and support.
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Clemence Jollivet (Coherent-nufern)15/12/2022, 11:30
Advances in Yb-doped and Tm-doped Double-clad LMA fibers to power-scale fiber lasers beyond multi-kW are presented, demonstrating > 3 kW at 1μm and > 65% slope efficiency at 2 μm.
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Aiswarya Pradeepkumar (University of Technology Sydney)15/12/2022, 11:30COMMAD: Advanced materials growth and synthesisTalk (preferred)
We address the challenges of growing epitaxial graphene on the 3C-SiC/Si system with our findings finally opening the possibility of obtaining dynamic tunability of charge transport in graphene on SiC/Si for integrated nanoelectronics and nanophotonics functionalities.
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Elizabeth Angstmann15/12/2022, 11:30
Our talk will discuss our experience so far with pass/fail grading and research we intend to conduct over the next year.
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Prof. Arnan Mitchell (Integrated Photonics and Applications Centre (InPAC), School of Engineering, RMIT University, Melbourne, Victoria 3001, Australia.)15/12/2022, 11:30ANZCOP: Photonic integration and fabricationInvited talk
This presentation will review the emerging science, technology, and applications of photonic chip frequency combs. This new form of laser light has the potential to bring unprecedented precision to almost any application that relies on measurement.
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Heike Ebendorff-Heidepriem15/12/2022, 11:30
This talk reviews fabrication strategies to embed diamond particles in fibres with respect to diamond and fibre properties and enhancing magnetic field sensitivity.
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Prof. Tamara Davis (University of Queensland)15/12/2022, 11:30
Gravitational waves offer a new precision tool for cosmology. I will discuss their advantages over previous light-based techniques, and the major conundrums that gravitational waves will illuminate such as cosmological “tensions”, dark matter, and dark energy.
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Pierce Qureshi15/12/2022, 11:30ANZCOP: Nonlinear optics and photonicsTalk (preferred)
We show in a Kerr microresonator the injection of a second laser, in addition to the pump laser, can facilitate useful spectral expansion of the original soliton comb. Furthermore we experimentally achieve excitation of two simultaneous solitons for spectroscopic applications.
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Karen Bayros (RMIT University)15/12/2022, 11:30AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
Josephson junctions are the key components of quantum computers based on superconducting qubits. We develop an atomistic model to study the effect of microscopic defects called "pinholes", which could cause energy dissipation in Al/AlO$_\textrm{x}$/Al Josephson junctions.
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Ms Nitu Syed (The University of Melbourne)15/12/2022, 11:45COMMAD: Advanced materials growth and synthesisTalk (preferred)
The work demonstrates the synthesis of ultrathin two-dimensional(2D) indium nitride(InN) films with few atom thicknesses and lateral dimensions exceeding centimeter-scale. The as-synthesized films feature 2D electron gases rendering them promising candidates for next-generation advanced optoelectronic devices and functional 2D heterostructures.
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Gary Hill (University of Adelaide)15/12/2022, 11:45AIP: Group for Astroparticle PhysicsTalk (preferred)
In this contribution we discuss the IceCube Neutrino Observatory's discovery of high energy neutrino sources and plans for future upgrades of the detector.
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Rocio Camacho (The Australian National University)15/12/2022, 11:45ANZCOP: Nonlinear optics and photonicsTalk (preferred)
Abstract - We demonstrate enhanced visible sum-frequency generation in doubly resonant GaP metasurfaces. Record conversion efficiency is achieved in the metasurface by the excitation of high-quality factor Q bound state in the continuum (BIC) resonances with non-trivial polarization dependence.
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Dr Sanjoy Nandi (The Australian National University)15/12/2022, 11:45AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
Metal-insulator-transition, threshold switching, negative differential resistance, Schottky-barrier, current bifurcation
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Jacinta den Besten (The University of Melbourne)15/12/2022, 11:45
Using a combination of rubrics, sample work and a quiz module with clear goals and expectations to prepare students for participating and writing in physics teaching laboratories. Student improvements and outcomes are presented.
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David Ottaway (University of Adelaide)15/12/2022, 11:50
The current generation of GW detectors will soon begin their fourth observation run and plans are underway to upgrade the detectors until the start of third generation era. This talk will summarise the plans for the current generation of LIGO detectors.
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Mr Adam Gambell (DST Group)15/12/2022, 12:00
We have demonstrated a 6+1→1 optical fibre combiner for diode-pumped 1 µm operation, using metal coated fibre for the output fibre port with pump power levels up to 700 W
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Brant Gibson15/12/2022, 12:00
The ability to monitor weak magnetic fields is a key objective in long-term surveillance. Here I will discuss the fabrication and characterization of an intrinsically magneto-sensitive diamond doped optical fibre with potential applications as a high-efficiency remote magnetic sensing platform.
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Graham Wild (UNSW)15/12/2022, 12:00
Traditional physics of motion laboratories involve air tracks/tables. Activities should facilitate understanding of concepts and represent real-world/authentic activities for engagement. Using a physics-based flight-simulator, X-Plane11, students perceived positive learning outcomes with an authentic engaging activity, with a real-world application.
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Dr Haoyi Yu (University of Shanghai for Science and Technology)15/12/2022, 12:00ANZCOP: Photonic integration and fabricationTalk (preferred)
We present a nano-engineered three-dimensional zero-index metamaterial based on Steiner tree networks as a novel topological photonic crystal, featuring a Dirac-like point and a photonic stop-gap to realize low-loss three-dimensional zero-index metamaterial at the wavelength around 1050 nm.
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AISHANI MAZUMDER15/12/2022, 12:00COMMAD: Emerging materials: 2D, oxide, organic, and perovskite materialsTalk (preferred)
Non-volatile 2D memory systems are being widely considered because of their scalability. We experimentally and theoretically investigate 2D InSe for resistive switching alongside investigating the role of cations and anions in the switching mechanism.
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Alex Healey (University of Melbourne)15/12/2022, 12:00AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
A magnetic study of the van der Waals antiferromagnet CuCrP2S6 showcasing the capabilities of widefield NV microscopy and uncovering a surprising range of magnetic phases in this material.
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Gavin Rowell15/12/2022, 12:00AIP: Group for Astroparticle PhysicsTalk (preferred)
The High Energy Stereoscopic System has revolutionised TeV gamma-ray astronomy over the past two decades. This presentation will highlight some of the recent discoveries from H.E.S.S. over the past year or so (such as novae, gamma-ray bursts and pulsars).
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Kirill Koshelev (Australian National University)15/12/2022, 12:00ANZCOP: Nonlinear optics and photonicsTalk (preferred)
We predict and demonstrate experimentally strong third-harmonic optical signal for broken-symmetry dielectric metasurfaces supporting sharp optical resonances in the near-IR. For chiral asymmetric dielectric metasurfaces we demonstrate experimentally large nonlinear chiroptical response in transmission.
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Dr Bram Slagmolen (OzGrav, ANU)15/12/2022, 12:10
What detector design, configuration and infrastructure are required to reach the gravitational wave horizon? I will discuss the proposed next generation gravitational wave detector, Cosmic Explorer. I will review the instrumental challenges and potential realisation to construct such an observatory.
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The Einstein Telescope is European third generation gravitational wave detector. In this talk... -
Roland Crocker15/12/2022, 12:15Talk (preferred)
The search for gamma-ray emission from dwarf spheroidal galaxies is of ongoing interest in the context WIMP dark matter. We have detected a 1-100 GeV signal from the Sagittarius Dwarf Spheroidal, the third-most massive satellite of the Milky Way.
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David Simpson (The University of Melbourne School of Physics)15/12/2022, 12:15
In this work, we explore how isotopic enrichment of diamond materials can benefit quantum diamond magnetometers. This is implemented by engineering CVD-grown material and conducting characterization of their properties in order to evaluate the impact on their overall magnetic sensitivities.
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Dr Margaret Wegener (School of Mathematics and Physics, The University of Queensland)15/12/2022, 12:15
The change of wavelength of light with the medium it’s travelling through can be demonstrated by immersing a simple diffraction experiment in water. Higher orders of diffraction can occur in water compared to in air.
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Dr Yongsop Hwang (University of South Australia)15/12/2022, 12:15ANZCOP: Photonic integration and fabricationTalk (preferred)
We report the successful thermal fusing of silica single-mode fibers directly to depressed cladding waveguides inscribed in a ZBLAN glass chip using a CO2 laser. This fusing enables complete integration of a fiber and bulk glass waveguides.
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Samuel Legge (Australian National University)15/12/2022, 12:15
Demonstration of a polarisation maintaining all-fibre coherent beam combining system, digitally implemented using a FPGA and electro-optic modulators. The experimental implementation combines three 7 W Erbium-doped polarisation maintaining fibre amplifiers with greater than 95% efficiency and $\lambda/493$ RMS phase stability.
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Marko Perestjuk (RMIT University & Institut des Nanotechnologies de Lyon)15/12/2022, 12:15ANZCOP: Nonlinear optics and photonicsTalk (preferred)
Author list:
Marko Perestjuk [1,2], Rémi Armand [2], Alberto Della Torre [2], Milan Sinobad [3], Arnan Mitchell [1], Andreas Boes [1,4], Jean-Michel Hartmann [5], Jean-Marc Fedeli [5], Vincent Reboud [5], Alfredo De Rossi [6], Sylvain Combrié [6], Christelle Monat [2], Christian Grillet [2][1] Integrated Photonics and Applications Centre, School of Engineering, RMIT University,...
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Dr Oleg Tretiakov (UNSW)15/12/2022, 12:15AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
Skyrmion nucleation induced by spin-transfer torques at an interface of a topological insulator and a ferromagnetic insulator is investigated. We find skyrmion nucleation time, critical nucleation field, and skyrmion numbers.
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Shao Qi Lim (Centre of Quantum Computation and Communication Technology, School of Physics, University of Melbourne)15/12/2022, 12:15COMMAD: Semiconductor materials, devices, and technologiesTalk (preferred)
Au-hyperdoped Si has recently shown promise as a Si-based near-infrared detector. Here, we show electrical characterization measurements of Au-hyperdoped Si in an effort to optimize device architecture and detector efficiency.
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Bruce McKellar15/12/2022, 13:00Invited talk
IUPAP was established in 1922 as the world was rebuilding itself after the 1914-1918 war. It has supported physics and physicists in the for the last 100 years, and will support them for the next 100 years.
Bruce was the President of IUPAP from 2014 to 2017, and is now the Past President on the Executive Council. He is emeritus Professor at the University of Melbourne.
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Anthony Thomas15/12/2022, 13:30Invited talk
In addition to its Commissions IUPAP has a number of Working Groups which aim to focus and develop new research fields and activities that would be difficult to resource through traditional methods. The Working Group on International Cooperation in Nuclear Physics (WG.9) will serve as an example what these groups can achieve.
Anthony is the Elder Professor of Physics at the University of...
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15/12/2022, 13:40
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Dr Vaishali Adya (Royal Institute of Technology, Sweden)15/12/2022, 14:00
What technologies are needed to build a one-of-a-kind gravitational wave detector in Australia? I will present some of the key ingredients needed to build NEMO : a detector with sensitivity focused in the kHz regime.
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John Debs (Research School of Physics, The Australian National University)15/12/2022, 14:00
This presentation tells the story of how my hands-on approach to physics education led to the ANU MakerSpace – a highly successful, interdisciplinary, and openly accessible makerspace. I will share some highlights from my experience.
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Bruce Dawson (University of Adelaide)15/12/2022, 14:00
In this talk I will describe the state of our understanding of the highest energy cosmic rays with a variety of results from the 3000 square kilometre Pierre Auger Observatory.
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Martijn De Sterke (University of Sydney)15/12/2022, 14:00ANZCOP: Nonlinear optics and photonicsTalk (preferred)
We theoretically and numerically study the linear propagation of optical pulses in media with high-order dispersion m. We find that for high dispersion orders, all pulses follow a universal evolution depending only on m, eventually evolving to a sinc function.
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Michel Digonnet (Stanford University)15/12/2022, 14:00
This presentation will discuss recent breakthroughs in optical (laser) cooling of Yb-doped silica fibers using anti-Stokes pumping, and the exciting upcoming generation of silica fiber amplifiers and lasers that run cold.
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Jason Twamley (Okinawa Institute for Science and Technology)15/12/2022, 14:00
I will discuss the advantages of magnetic trapping for trapping and cooling of nano-micron-scaled objects. This complete passive type of trap heralds the potential for low noise levitation and the creation of ultrahigh-motional-Q massive oscillators.
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Dr Zixin Huang (Macquarie University)15/12/2022, 14:00
I will discuss recent advances in quantum imaging, and show how optimal measurement techniques that can allow us to surpass direct imaging precisions by several orders of magnitude.
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Geoffrey Norman Taylor (University of Melbourne (AU))15/12/2022, 14:00
Describes the new underground fundamental science facility, SUPL, driven by the particle and nuclear physics, and astrophysics communities.
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outline of facility came, it characteristics and status of installation DM search experiment SABRE. Other potential activities for SUPL described. -
15/12/2022, 14:00
Format: 20 minutes workshops by the university professors
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Description: Modern physics requires an adequate use of models and a deep conceptual understanding of the underlying abstract ideas. The Physics curriculum in high schools and introductory university courses contains, at best, a passing reference to 20th Century physics. How have teachers and students adapted their conceptual... -
Dr Elizabeth Hinde (University of Melbourne)15/12/2022, 14:00
Here we present a powerful new microscopy method based on fluorescence anisotropy imaging microscopy (FAIM) of Förster resonance energy transfer (FRET) between fluorescently labelled nucleosomes to spatiotemporally map live cell genome organisation in real time with super resolution.
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Hadi Afsharan15/12/2022, 14:15
This work presents a trans-ocular measurement of retinal blood-vessel-wall integrity as a quantitative assessment of hypertension.
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Alexander Solntsev (University of Technology Sydney)15/12/2022, 14:15ANZCOP: Nonlinear optics and photonicsTalk (preferred)
We show theoretically how to control coherent conversion between a narrowband pump photon and broadband photon pairs in nonlinear optical waveguides by tailoring frequency dispersion for broadband quantum frequency mixing.
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Xuangong Wang15/12/2022, 14:15
We propose that parity-violating electron scattering (PVES) provides promising opportunity for the dark photon searches. We explore the sensitivity of PVES asymmetry to the dark photon parameters. We also extract the favoured region by fitting the parity-violation data.
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Dr Lilli Sun (OzGrav, ANU)15/12/2022, 14:20
What will a gravitational-wave detector in Australia bring us? We will discuss the contribution of an Australian detector to multi-messenger astronomy in the current and next generations of the global detector network.
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Mr Islay Robertson (RMIT)15/12/2022, 14:30
Widespread adoption of wide-field nitrogen-vacancy microscopy amongst the scientific community is hindered by non-trivial technical requirements. We demonstrate a method to overcome these challenges by developing a fully integrated diamond probe, and show some example applications.
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Jake Atkinson (University of South Australia)15/12/2022, 14:30
FLASH is an emerging radiotherapy modality that enhances normal tissue sparing whilst maintaining tumour kill efficacy. This talk will summarise recent preclinical proton- and carbon-FLASH literature, and the predicted radiobiological mechanisms responsible for the 'FLASH effect' phenomenon.
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Ella Roberts15/12/2022, 14:30AIP: Group for Astroparticle PhysicsTalk (preferred)
In this contribution, we show how we constrain the number of neutrino sources that produce the high-energy astrophysical neutrino events observed by IceCube using importance sampling to maximise a multidimensional marginal likelihood.
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Yun Long Qiang15/12/2022, 14:30ANZCOP: Nonlinear optics and photonicsTalk (preferred)
Recent studies have shown that solitons dominated by higher order dispersion effects give rise to a large family of possible soliton solutions. We study soliton solutions formed in higher order dispersion systems and uncover families of exact analytic solutions.
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Daniel Dahl (The University of Queensland)15/12/2022, 14:30WSOF: Advanced analysis: wavefront shaping, machine learningTalk (preferred)
We describe a repeatable method for building and characterising a multi-plane light convertor that operates as a 55 spatial mode sorter.
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Liam Hall (School of Chemistry, the University of Melbourne)15/12/2022, 14:30
We detail a new, more inclusive approach to teaching quantum concepts to both students and non-scientific audiences; based on direct real-time interactions between musical instruments with quantum systems at audio frequencies.
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Ben McAllister15/12/2022, 14:30
We present the current status and future plans of the experiments within The Oscillating Resonant Group AxioN (ORGAN) Collaboration, which develops axion haloscopes. Axions are a compelling dark matter candidate, and haloscopes are a tool for axion searches.
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Russell Goldblatt15/12/2022, 14:30
We demonstrate rapid quantum control of optically-dark nuclear spins in diamond, which are typically isolated from both magnetic noise and oscillating control fields, through magnetic-field induced augmentation.
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David McClelland (ANU)15/12/2022, 14:40
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Soroush Khademi (The University of Queensland)15/12/2022, 14:45
We present novel quantum frameworks for inferring the quantum state of the mechanical oscillator in different scenarios and elaborate on how they are applied to a resonator in the lab.
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Mr Mohammad Istiaque Reja (Institute for Photonics and Advanced Sensing, School of Physical Sciences, The University of Adelaide, Adelaide, SA 5005, Australia, Dept. of Electrical and Electronic Engineering, Chittagong University of Engineering and Technology, Chattogram 4349, Bangladesh, and Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia.)15/12/2022, 14:45
We demonstrate the application of machine learning to improve the performance of specklegram pressure sensor using pure silica six-hole microstructured optical fiber. The sensor will be useful for pressure sensing in harsh industrial applications.
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Sabrina Einecke (University of Adelaide)15/12/2022, 14:45AIP: Group for Astroparticle PhysicsTalk (preferred)
This contribution will introduce a novel 3D modelling and present the gamma-ray morphology around the SNR W28 using hydrogen gas distributions from Australian surveys. We will discuss our grid search of SNR, diffusion and gas properties to reproduce gamma-ray observations.
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Aditya Dubey (RMIT University)15/12/2022, 14:45ANZCOP: Nonlinear optics and photonicsTalk (preferred)
In this contribution, we investigate periodic poling of 300nm thin-film X-cut lithium niobate on insulator and study the correlation between applied voltage pulses and domain evolution for efficient second-order nonlinear optical frequency conversion processes.
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Davin Yue Ming Peng (Australian Research Council Centre of Excellence for Nanoscale Biophotonics, RMIT University)15/12/2022, 14:45
By focusing on the second-order correlation as a function of emission polarization, we demonstrate additional information gained from using polarization combined correlation optics and pave the way for future protocols in sub-diffraction limited particle localization and characterization via quantum imaging.
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Shanette De La Motte15/12/2022, 14:45
We will summarise current searches within Belle II to identify the rare, leptonic B- decays B+ → μ+ν or B0 → νν ̄ and detail how the upper bounds on experimental branching fractions of these rare decays will be improved.
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Darren Jin Xiang Chow15/12/2022, 14:45
Light is present throughout the process of IVF. However, its impact on embryos remains unknown. Here we controlled for equivalent energy dose of light applied across wavelengths and found longer wavelengths of light to be detrimental to the embryo.
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Maria Parappilly (Flinders University)15/12/2022, 14:45
I seek to discuss the insights from 6 years of the Aurora Contest data to understand the reach and knowledge of this contest and outreach activities that can shape STEM study, in particular Physics and related career choices among schoolgirls.
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Haoran Ren (Monash University)15/12/2022, 15:00WSOF: Novel manufacturing: 3D printing, postprocessing, coatingsTalk (preferred)
We fabricate a 3D achromatic diffractive metalens on the end face of a single-mode fiber, useful for endoscopic applications. We demonstrate achromatic and polarization-insensitive focusing across the entire near-infrared telecommunication wavelength band ranging from 1.25 to 1.65 µm.
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Justin Widjaja (University of Sydney)15/12/2022, 15:00ANZCOP: Nonlinear optics and photonicsTalk (preferred)
We numerically and analytically examine solitons arising from a dispersion relation with several peaks of different local curvatures and wavenumbers. Their spectra have multiple separate frequency components whose relative intensities depend on the pulse power.
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Thomas Dixon (UNSW)15/12/2022, 15:00
We run a large online-only physics course three times a year, with different academics and staff assigned each time. This talk outlines our work in ensuring consistency throughout the terms via course design and automation.
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Ryan Burley (University of Adelaide)15/12/2022, 15:00AIP: Group for Astroparticle PhysicsTalk (preferred)
In this contribution, we present our study on predicting observable fluxes of gamma rays and neutrinos created in the hadronic collisions of particles accelerated by Galactic supernova remnants with nearby molecular gas clouds.
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Tom Day (School of Electrical Engineering and Telecommunications, UNSW Sydney, Australia)15/12/2022, 15:00
The presented work demonstrates the cooling of an X-band microwave mode with an ensemble of hyper-polarised room temperature nitrogen vacancy centres in diamond.
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Larnii Booth15/12/2022, 15:00
A super-resolution optical microscopy method using Bayesian inference and flipped optical modes, developed to better resolve point source emitters below the resolution limit.
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Melissa McIntyre (University of Adelaide)15/12/2022, 15:00
Proton therapy is a modern radiotherapy treatment which allows significant sparing of healthy tissues compared with conventional photon radiation. Some assumptions made during treatment planning introduce uncertainties into the process which should be well understood and quantified.
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Ms Nadia Toutounji (University of Sydney)15/12/2022, 15:00
A measurement of the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element $|V_{\mathrm{ub}}|$ is extracted exclusively from the semileptonic $B$-meson decay $B \to \pi \ell \nu$ in an early subset of Belle II data using hadronic Full-event-interpretation tagging.
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Vincent Ng (University of Auckland)15/12/2022, 15:15ANZCOP: Nonlinear optics and photonicsTalk (preferred)
We consider frequency comb generation in high-finesse magnesium fluoride photonic belt resonators. The confinement to a few spatial modes permits comb excitation free from linear mode interactions. The comb was extended via a dispersive wave, resulting in a broadband spectra.
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Srividya Durga Kota15/12/2022, 15:15
In this presentation we will provide results of a study conducted in first-year physics laboratories involving an experiment, Bunjee Jumping. The experiment is designed with a conceptual framework integrating technology and modelling to specifically ‘engage’ students with uncertainty analysis.
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Garry Berkovic15/12/2022, 15:15
file attached
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Iman Shaukat Ali15/12/2022, 15:15AIP: Group for Astroparticle PhysicsTalk (preferred)
Models with large cross sections require light mediators and are subject to other constraints. We use the direct detection of CR-upscattered DM to compute limits on the coupling, and compare these with constraints arising from other experiments and observations.
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Liam Hall (School of Chemistry, the University of Melbourne)15/12/2022, 15:15
We discuss our recent progress in utilising cutting edge diamond-based quantum sensors to develop a portable, robust, and sensitive nuclear magnetic resonance (NMR) spectrometer for in-field trace chemical detection and analysis.
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Ferdos Dastgiri15/12/2022, 15:15
This talk will present the characterisation methods and results of intrinsic backgrounds in an ultra-pure NaI crystal for the SABRE South dark matter experiment, with a focus on 238U and 232Th.
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Stephen Tronchin (Department of Physics, University of Adelaide, Adelaide SA 5005, Australia.)15/12/2022, 15:15
We developed a compartment model where we assigned each daughter of actinium-225 unique biokinetics. We used the model to study the effect of daughter migration on organ doses in Targeted Alpha Therapy.
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Jemy Geordy (School of Mathematical and Physical Sciences, Macquarie University, Australia and ARC Centre of Excellence for Engineered Quantum Systems, Macquarie University, Australia)15/12/2022, 15:15
Nitrogen-Vacancy centres in diamond are promising room-temperature quantum sensors. However, interaction with bath-spins in the surrounding lattice can lead to strong decoherence. We investigate decoupling of these interactions by driving the bath-spins with chirped signals.
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Noah Finkelstein (University of Colorado, Boulder)15/12/2022, 15:30Invited talk
Short keynote (10-15 mins) from Noah Finkelstein
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Round-table discussion
Q&A session -
Adelle Goodwin15/12/2022, 16:00
I will provide an overview of observations of tidal disruption events - what happens when a star is destroyed by a supermassive black hole - including insights that these events enable into SMBHs and their surroundings.
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Igor Litvinyuk15/12/2022, 16:00
We present precise measurement of HHG phase difference between two isotopes of molecular hydrogen using advanced Gouy phase interferometer. The measured phase difference is about 200 mrad, corresponding to ~3 attoseconds time delay which is nearly independent of harmonic order.
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Peter Hannaford (Swinburne University of Technology)15/12/2022, 16:00
We report the application of big discrete time crystals created by a Bose-Einstein condensate of ultracold atoms bouncing on an oscillating mirror to the investigation of condensed matter phenomena in the time dimension.
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Tibor Kibedi (Australian National University)15/12/2022, 16:00
E0 transitions are unique to nuclei and provide a compelling spectroscopic fingerprint of shape coexistence. Recent results from 12C, 24Mg and 40Ca will be used to examine nuclear structure questions where the observation and characterisation of E0 transitions were crucial.
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Dr Jingxian Cui (The Hong Kong Polytechnic University)15/12/2022, 16:00
We propose a torsion sensor using an FBG-based twin-core ZEONEX polymeric fiber, with a measurement range up to ±360°. Due to the central/side core arrangement, torsion can be retrieved independently from axial strain and temperature.
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Heike Ebendorff-Heidepriem15/12/2022, 16:00
This talk presents recent progress in hybrid fibers with integrated functional materials such as diamond particles, 2D materials, high-index thin films or silk to create new intrinsic fiber properties for sensing and nonlinear photonics applications.
Short bio:
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Heike Ebendorff-Heidepriem received the Ph.D. degree from the University of Jena, Germany, in 1994. Since 2005, she has been with... -
Michael Tobar (University of Western Australia)15/12/2022, 16:00
This work includes: 1) Our study and application of putative modified physical equations due to beyond-standard-model physics, to determine possible new experiments; 2) An overview of our current experimental program, including status and future directions.
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Christopher Bounds (School of Physics and Astronomy, Monash University)15/12/2022, 16:00
We realise a novel quantum sensing protocol for spectral analysis, utilising continuous Faraday measurement of an ultracold atomic ensemble's quantum state. Through quantum process tomography, signal parameters are retrieved from the characteristic transition driven as the sensor sweeps through resonance.
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15/12/2022, 16:00
Format: Panel consisting of some experts in the field and a facilitator
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Description: Will Australia be ready for the next generation of space innovations?
Space science and technologies is one of the most rapidly-growing, highly-diverse areas in Australia that needs new people in it. It’s a growth industry and we need Australians to contribute to it. That takes focus and investment. Space is... -
Erik Schartner15/12/2022, 16:15
We report on the use of multipoint Bragg gratings fabricated in suspended core optical fibres in industrial temperature sensing applications.
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Simon Haine15/12/2022, 16:15
Atom interferometry currently provides state-of-the art sensitivity for measurements of gravity. However, shot-noise inherently limits the sensitivity and bandwidth.We propose and theoretically model a scheme capable of generating entanglement which is compatible with high-precision atomic gravimeters.
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Sejeong Kim (University of Melbourne)15/12/2022, 16:30ANZCOP: Photonic integration and fabricationInvited talk
Quantum technologies require the interfacing of numerous single photons on a chip. Integration between quantum light sources and photonic devices is crucial for this purpose. Here, we present the integration of hBN quantum emitters into photonic waveguides and photonic cavities.
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Hamish Melia15/12/2022, 16:30
Investigations in to satellite lines and diagram lines of complex open shell 3d transition metals. Specifically in scandium for this talk.
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Benjamin Carey (The University of Queensland)15/12/2022, 16:30
We present the use of non-degenerate coupled photonic cavities in order suppress the contribution of laser phase noise in optomechanical sensing Systems. These coupled Cavities demonstrate laser phase noise rejection whilst not significantly degrading the device’s response.
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Derek Leinweber (CSSM, University of Adelaide)15/12/2022, 16:30
Using modern visualisation techniques, this presentation examines the structure of centre vortices in the nontrivial ground-state fields of QCD. Their link to the generation of mass and the confinement of quarks is explored.
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Arkady Fedorov15/12/2022, 16:30
We report the first realisation of a passive on-chip circulator which is made from a superconducting loop with three Josephson junctions and is tuned with only DC control fields. Our results demosntrated non-reciprocal behaviour and identified future path for improvement.
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Philipp Frey (University of Melbourne)15/12/2022, 16:30
Here we report the observation of a discrete time crystal on a chain consisting of 57 superconducting qubits on IBM’s quantum computer.
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Andreas Ioannou (Cyprus University of Technology)15/12/2022, 16:30
The possibility of tuning the temperature and humidity sensitivities of POFBG sensors to the desired level by applying a specific amount of fibre pre-strain is demonstrated.
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Ms Yi Shuen Christine Lee (The University of Melbourne and ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav))15/12/2022, 16:45AIP: Group for Astroparticle PhysicsTalk (preferred)
We discuss the impact of adding more detectors on gravitational-wave burst detection confidence, using the BayesWave algorithm: a source-agnostic Bayesian analysis pipeline. BayesWave reconstructs non-Gaussian transient features in detector data for the characterisation of astrophysical signals and instrumental glitches.
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Alec Hannaford Gunn (The University of Adelaide)15/12/2022, 16:45
A presentation of our recent work to determine the 3D structure of hadrons using lattice quantum chromodynamics. This work complements forthcoming experiments at the Brookhaven Electron-Ion Collider.
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Mr Jonathan Hedger15/12/2022, 16:45
We measure strain at the thermodynamic limit in custom passive optical fibre resonators to verify theoretical predictions that govern fundamental interactions between entropy fluctuations and a fibre sensor.
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Krzysztof Wilczyński (InPhoTech sp. z o.o., ul. Poznanska 400, 05-850 Oltarzew, Poland)15/12/2022, 16:45
Metal–coated optical fibers are known for its resistance to extreme temperatures and superior mechanical properties. This research is focused on evaluating use of such technology within smart materials (3D metal printing) for temperature measurements.
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Adrien Di Lonardo (University of Technology Sydney)15/12/2022, 16:45
As quantum processors begin to scale, optimising the cryogenic wiring for superconducting quantum devices is becoming an important challenge for developing powerful quantum computers. This work tackles this problem for industry-scale devices and identifies new avenues for improving qubit capacities.
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Paul Di Pasquale (La Trobe University)15/12/2022, 16:45
A novel technique for determining complex atomic fine structure will be described. Exciting applications of the technique such as a phase analogue to x-ray absorption fine structure applications will also be discussed.
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Dr Krzysztof Giergiel (Swinburne University of Technology)15/12/2022, 17:00
We present a theoretical study of clean time crystalline phases in the model of periodically kicked one-dimensional bosons with contact interactions on a ring.
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Prof. Alois Herkommer (Universität Stuttgart)15/12/2022, 17:00ANZCOP: Photonic integration and fabricationTalk (preferred)
Femtosecond direct laser writing as a 3D-printing technology has transformed the field of micro-optics. This paper highlights relevant aspects in the design of 3d-printed systems. It presents multiple design examples, ranging across micro-optical imaging-, illumination- and sensing-systems for various applications.
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Prof. Anatoli Kheifets (Australian National University)15/12/2022, 17:00
We demonstrate an accurate phase retrieval of XUV atomic ionization by streaking photoelectrons in a circularly polarized IR laser field. This novel technique will be instrumental for studying inner shell atomic and molecular ionization using free-electron lasers.
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Nathan Spinks15/12/2022, 17:00
WIMPs are a strongly motivated dark matter candidate, expected to produce measurable nuclear recoils, while background events produce electron recoils. Classification of recoil events is important for improved detection of dark matter. PSD approaches are developed to improve event classification.
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Dr Gavin Rowell15/12/2022, 17:00AIP: Group for Astroparticle PhysicsTalk (preferred)
We use the simulation software "GALPROP" to model the Milky Way's diffuse TeV gamma-ray emission. We compare GALPROP's predictions to observational data, investigating how the emission will impact the forthcoming CTA Observatory's Milky Way survey.
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Thomas Kong (The University of Adelaide)15/12/2022, 17:00
It has been demonstrated that the behaviour of superconducting quantum interference devices can be precisely tuned using electrostatic gates. We discuss the recent experimental results and summarise our current theoretical understanding of this effect.
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Angsar Manatuly15/12/2022, 17:00
In this work, we introduce new "adiabatic" techniques for implementing Jaynes-Cummings qubit-cavity interactions that enable low-bandwidth, ultrashort effective Jaynes-Cummings pulses. We demonstrate tunable positive- and negative-time Jaynes-Cummings gates with >99% fidelity for up to 100 sequential gates.
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15/12/2022, 17:00
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Gabriel Collin15/12/2022, 17:15AIP: Group for Astroparticle PhysicsTalk (preferred)
I will present a new statistical approach to the problem of inferring the properties of point-source populations. This method will be shown to be superior to existing methods in the context of X-ray astronomy.
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Daniel Gould (Australian National University)15/12/2022, 17:15
Detectors designed to investigate fundamental physics such as quantum gravity and gravitational waves have been proposed utilising twin interferometers. We aim to demonstrate the improvement of a twin interferometer experiment via injecting Einstein-Podolsky-Rosen squeezed states.
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TONEY teddy fernandez (Macquarie University)15/12/2022, 17:15ANZCOP: Photonic integration and fabricationTalk (preferred)
The femtosecond laser direct write technique was used to fabricate mid-infrared waveguide couplers into fused silica and compositionally engineered fluoride glass for the first time. Both results are compared and contrasted to demonstrate novel application regimes.
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Prof. Christopher Chantler (University of Melbourne)15/12/2022, 17:15
High Energy Resolution Fluorescence Detection has recently developed as a powerful probe for bonding, nanostructure and oxidation state. We report the discovery of a new satellite in manganese using a new technique, XR-HERFD. This is foundational for many future studies.
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Wanli Xing (University of Adelaide)15/12/2022, 17:15
EMC Effect is the 40-year-old mystery that quark structure in free nucleons is somehow different to that in bound nucleons. We examine its two leading explanations - mean field correction and short-range correlation.
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Anders Kringhoej15/12/2022, 17:15
Squeezing electromagnetic noise allows for measurements beyond the standard quantum limit relevant to a range of quantum applications. Here we present the first results in realising direct noise squeezing with a kinetic inductance parametric amplifier.
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Stephen Collins15/12/2022, 17:30
Membership trends and related statistics of the Australian Institute of Physics over the 60 years since its establishment in 1963 are presented. Its Members have had distinguished careers in universities, research organisations or industry.
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Kieran Thomas15/12/2022, 17:30
We present our experimental realisation of a degenerate mixture of $^4$He [bosonic] and $^3$He [fermionic], with $^4$He $T/T_C\sim0.3$, and $^3$He $T/T_F\sim0.1$, in the metastable state $2^3S_1$. The large internal energy of the metasable state allows for far-field single-particle 3D reconstruction.
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Benjamin Russell15/12/2022, 17:30
We have simulated a microspectrometer system that utilises a BIC transmission filter array with a photodetector array and have used it to identify common acyclic hydrocarbons down to 50 ppm concentrations via a machine learning classifier.
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Floyd Creevey15/12/2022, 17:30
We present a new parameter s_∗, determined by Hamiltonian moments
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⟨φ|H^n|φ⟩, as an estimate of the overlap between a trial state |φ⟩ and energy eigenstates of the problem Hamiltonian. -
Kristen Pudenz15/12/2022, 17:30
Atom Computing is creating a quantum processing platform based on nuclear spin qubits. The system makes use of optical tweezers to assemble and individually manipulate neutral strontium atoms. We demonstrate the robustness of these systems by characterizing their coherence times.
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Glen Harris (University of Queensland)15/12/2022, 17:30
Ultra-low mass WIMP's are viable dark matter candidates. However, the resulting low-energy excitations are extraordinarily difficult to detect. I will outline a new experimental platform that translates the capabilities of optomechanics to enable detection of ~1ueV excitations in superfluid helium.
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Lachlan Bishop15/12/2022, 17:30
Indeterministic dynamics arise in the context of interacting systems near closed timelike curves. I will discuss a relevant scenario, the "billiard-ball paradox", and will provide solutions to a quantum formulation of the problem, showing in particular how indeterminism is resolved.
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Prof. Brian Robson (Australian National University)15/12/2022, 17:30
Gravity is determined, within the framework of the Generation Model of particle physics, to be a universal attractive finite-ranged residual interaction of the strong nuclear force, acting between the colourless constituents of ordinary matter.
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Thomas Roocke15/12/2022, 17:30
We report the development of a high sensitivity, quadrant-photodiode-based Hartmann wavefront sensor. The sensor is simple, low cost, with a bandwidth of 50kHz, and a sensitivity and dynamic range for curvature change of 10/um and 0.5/m, respectively.
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Saurabh Bhardwaj15/12/2022, 17:30
Modelling and experimental results of femtosecond-laser inscribed point-by-point Bragg gratings were compared. Coupled mode theory model doesn't account for the distorted mode and fails whereas Bloch function approach consider distorted mode and provides a more accurate picture of grating dynamics.
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Truong Nguyen (The University of Melbourne)15/12/2022, 17:30
Discussion on our recent breakthroughs in theoretical atomic structural investigations using advanced relativistic quantum mechanics.
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Dr Mickael Mounaix (The University of Queensland)15/12/2022, 17:30
We demonstrate the alignment of a wavelength selective switch by means of digital holography, allowing access to the spectrally-resolved full field of the output beams, a feature yielding additional insights such as crosstalk and spatial deformation of the beams.
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Mr Chris Adambukulam (University of New South Wales)15/12/2022, 17:30
We demonstrate the capability to address the spin sub-levels of the germanium vacancy and thus, perform all optical spin initialisation and readout. Additionally, we generate dark coherent superpositions of the germanium vacancy spin states through coherent population trapping.
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Thomas Dinter (MQ Photonics Research Centre, School of Mathematical and Physical Sciences, Macquarie University)15/12/2022, 17:30
Mutual strong confinement of light and sound in photonic waveguides is desirable for on-chip opto-acoustic nonlinear interactions, but very few materials are naturally guiding for both waves. Here, we present Anti-Resonant Reflecting Acoustic Waveguides (ARRAWs) as a potential solution.
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Nicholas Fazio (The University of Sydney)15/12/2022, 17:30
We investigate how physical noise is transformed and suppressed in encoded magic state injection schemes. These circuits are key to NISQ computation and classifying their error on current devices will identify problems that larger, scaled up architectures must address.
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Mrs CHAMALI GUNAWARDANA15/12/2022, 17:30
We report on an experiment to create a big time crystal using a Bose-Einstein condensate of ultracold potassium - 39 atoms bouncing resonantly on a periodically driven atom mirror.
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Mikhael Sayat (University of Auckland)15/12/2022, 17:30
A continuous variable real-time quantum random number generator which extracts random numbers from the shot noise clearance of a vacuum state homodyne measurement will be built. It will include periodic real-time system health checks, tests, and alerts.
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Yi Yi Zhong (ANU)15/12/2022, 17:30
A NaI(Tl) crystal was irradiated by a strong cosmic ray-like neutron beam to characterize the cosmogenic background in NaI(Tl).This study will inform the development and analysis of NaI(Tl)-based experiments and also improve their sensitivity to probe dark matter.
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Luyao Wang15/12/2022, 17:30
We studied a direct and an inverse anisotropic structure made of Z-cut LN on the silica substrate, and evaluated the cross-polarisation conversion of linear incident polarisation and at tunable circular dichroism (CD) that can be achieved in these structures.
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Alexei Gilchrist15/12/2022, 17:30
PDF included
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Wasif Husain (The University of Adelaide)15/12/2022, 17:30
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Meera Deshpande (The University of Adelaide)15/12/2022, 17:30Poster
SuperWIMPs form a popular class of cold dark matter that naturally inherit the desired relic density from the late decays of the WIMPs. We use cosmological probes like spectral distortions, BBN and Warm Dark Matter bounds to find constraints on generic SWIMP masses and couplings.
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Ali Fawaz (Macquarie University)15/12/2022, 17:30
We investigate the coupling of microwave cavity fields to an ensemble of Nitrogen-Vacancy (NV) centre spins utilising the morphological resonances in spherical/ellipsoidal dielectric resonators.
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Lesley Spencer (UTS / TMOS)15/12/2022, 17:30
In this work we integrate a spin centre in hexagonal boron nitride with a monolithic photonic resonator in an intial step towards a scalable spin-photon interface.
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Khai Bordon (Griffith University - Centre for Quantum Dynamics)15/12/2022, 17:30
Time in its current state is discussed without reference to an operator that represents the time observable, the aim of this work is to rectify this and investigate how such an observable can be represented.
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Lucky Antonopoulos (Centre for Quantum Computation and Communication Technology, School of Science, RMIT University, Melbourne, VIC 3000, Australia)15/12/2022, 17:30
In this work, we look at three different discrete-variable Wigner functions corresponding to single Weyl-Heisenberg displacements and compare them. What we find that is that these functions are equivalent up to some non-trivial phase dependent on the displacement amount.
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Mr Hudson Leone (UTS)15/12/2022, 17:30
In this paper, we demonstrate that the rate at which logical Bell states can be generated between distant fault-tolerant quantum computers is on the order of 1KHZ. This imposes a hard limit on the distributed clock speed.
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Diego Bernal Garcia (Griffith University)15/12/2022, 17:30
We demonstrate that using the framework of finite-frame filter functions the cost required for high-quality multiqubit characterization and control is significantly lower than what is expected using the standard frequency-domain filter-function formalism.
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Qi Yu15/12/2022, 17:30
Our work considers the problem of dual quantum state-parameter smoothing, while the probability density distribution of the unknown parameters can be either static or dynamical. Based on Bayes’ theorem, general formulas for dual quantum filtering and smoothing are given.
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Madeline Parks15/12/2022, 17:30
Can Virtual Reality make it easier to communicate Physics to young people? We evaluated Mission Gravity, an OzGrav outreach program delivered in Virtual Reality, and assessed its impact in South Australian Secondary School classrooms.
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Alexandros Kolovinos15/12/2022, 17:30
Mode-locked soliton pulses are shaped by intensity-dependent nonlinear effects. Consequently, fibre laser design provides insight into the evolution of these ultrashort pulses. We present mode-locking performance for a variety of component selections and positions in a Holmium fibre ring cavity.
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Jamie Heredge15/12/2022, 17:30
Our previously implemented quantum support vector machine outperformed standard classical methods for B Meson classification (using reduced dataset). In this work we will explore the feasibility of application to particle physics showing alternative encoding methods and speedups.
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Glen Douglass (Macquarie University)15/12/2022, 17:30
This paper covers the design of achromatic phase shifters using differential waveguide dispersion. These devices are then fabrication using the femtosecond laser direct write technique.
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Dale Otten (University of South Australia)15/12/2022, 17:30
An easily re-configurable, compact and scalable 2 µm holmium in ZBLAN laser source with multi-channel/wavelength fiber outputs of >100mW is presented and discussed.
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Shirui Zhang (Australian National University)15/12/2022, 17:30
Faced with the down-scaling of semiconductor devices and the rapid development of 2D materials-based field-effect transistors, we report on the synthesis and properties of ultrathin silver-doped indium oxide nanosheets fabricated using a simple liquid-printing process for application of semiconducting channel
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Philipp Reineck15/12/2022, 17:30
Fluorescent nanodiamonds (FNDs) made from HPHT diamond have predominantly disk-like shapes. A typical FND is three times wider (eg in x-y) than it is thick (eg in z). This has important implications for the next generation of nanodiamond-based quantum sensors.
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Fshatsion Berhane Gessesew (The University of Melbourne)15/12/2022, 17:30
We report the formation of superconducting thin films and devices in phase-transformed Al-Si alloy and vanadium silicide (V$_3$Si) and present results of structural and electrical characterization studies and discuss the merits of these superconducting systems for novel devices in silicon.
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Dr Peter Huf (SYMMLAB)15/12/2022, 17:30
In this paper we present a novel approach for learning relativity by combining theory (vectors, tensors) with electronic applications to the GPS system. The course is applicable as a practical introduction to the applied mathematics of relativistic theory and measurement.
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Tomas Howson (The University of Adelaide)15/12/2022, 17:30Poster
A method to extract and non-perturbatively renormalise the quark and gluon momentum fractions of hadrons is demonstrated, based on the Feynman-Hellmann method applied directly to the gluonic contribution. Results from the application of this method in the presence of dynamical quarks are presented.
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Michael Hencz15/12/2022, 17:30
In this project, we are presenting our methodology for generating and detecting single heralded photons over approximately 75km of field deployed fibre which is also in use by the Griffith University IT department for classical networking purposes.
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Daniel Dahl (The University of Queensland)15/12/2022, 17:30
We demonstrate a device for measuring the generalized Stokes parameters of a six spatial mode beam. The device is a single-shot wavefront sensor measuring spatial complex amplitude and coherence without an external phase reference.
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James Chon (Swinburne University of Technology)15/12/2022, 17:30
We present a new theory of high-order image correlation spectroscopy capable of addressing emission QY distribution of fluorescence species, a common occurrence in silicon, plasmonic or semiconductor nanoparticle-based biolabellers.
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Benjamin Roberts15/12/2022, 17:30
We perform a detailed study of electric dipole transitions in K, Ca$^+$, Rb, Sr$^+$, Cs, Ba$^+$, Fr, and Ra$^+$, which are of interest for studies of atomic parity violation, electric dipole moments, polarizabilities, and the development of atomic clocks.
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Graham Wild (UNSW)15/12/2022, 17:30
Recently, YouTube science communicators have tried to explain lift. Unfortunately, fluids are not intuitive, and Navier-Stokes provides little qualitative insight. Saying Coanda is as incorrect as claiming equal transit, or simply saying Bernoulli. How do wings work? Navier-Stokes and viscosity!
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Seyed Saleh Mousavi Khaleghi (Department of Electrical and Electronic Engineering, University of Melbourne, Victoria 3010, Australia)15/12/2022, 17:30
We propose a hybrid dielectric/plasmonic approach for metasurfaces comprising colour holograms encoded into colour printed images. The metasurface employs plasmonic nanoholes in an aluminium film for colour filtering and amorphous titanium dioxide nanopillars for the phase control needed for holography.
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Mischa Batelaan (The University of Adelaide)15/12/2022, 17:30Poster
An alternative method for calculating Hyperon transition form
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factors in Lattice QCD which is based on the Feynman-Hellmann method is
formulated. Results from this method are presented for the form factors
of the Sigma to neutron transition as well as a comparison to results
from the more common three-point function method. -
Ms Parya Reyhanian (Student)15/12/2022, 17:30COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsPoster
We present a numerical estimation of spontaneous emission factor for multiple quantum disks embedded in nanowire lasers and, investigate the impact of Purcell effect F and spontaneous emission factor β on the threshold and the L-L curves.
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Mr Ayden Howarth (Griffith University)15/12/2022, 17:30
We reinterpret internal degrees of freedom of a Dirac fermion as a local wavefunction oriented in 4D spacetime. This is done beginning with two 2D spinors, using the quantum theory of time as well as spherical harmonics.
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Satyathiran Gunenthiran15/12/2022, 17:30
Optical engineering of nanoporous photonic crystals to achieve high–quality lasing
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Christopher Kortholt (RMIT University)15/12/2022, 17:30
Here we model a Laser threshold magnetometer sensor with extremely high sensitivity. We predict the sensitivities of a sensor design utilising a diamond ring resonator as a function of resonator geometry and optical pump conditions.
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Dr Anton Tadich (Australian Synchrotron)15/12/2022, 17:30
An update on the latest developments is given on the toroidal analyser for angle-resolved photoelectron spectroscopy at the Soft X-ray Spectroscopy beamline, Australian Synchrotron.
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Pavel Fadeev (Johannes Gutenberg University, Mainz)15/12/2022, 17:30
LEMAQUME is an EU-QuantERA project and aims to build a proof-of-principle prototype of a ferromagnet gyroscope. The precession of a magnet levitating in low magnetic fields allows for tests for exotic bosons, and, in the future, to the gyrogravitational ratio.
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Daniel Morley15/12/2022, 17:30COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsPoster
In this work we will present results of a LBIC and EBIC study of n-on-p planar structures created by RIE induced type conversion in MCT, as well as cross-sectional EBIC imaging undertaken at cryogenic temperatures.
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Shahna Haneef (Research Fellow, University of Auckland)15/12/2022, 17:30
We report on the detection of seismic signals using Distributed Acoustic Sensor (DAS) over the dark fibers in the campus telecommunication network. The system implementation, data analysis and signal post-processing methods optimized in this study will be presented.
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Mr Xuan Hiep Dinh (Integrated Photonics and Applications Centre, RMIT University, Melbourne, VIC 3000, Australia)15/12/2022, 17:30
An integrated lithium niobate on insulator ring resonator photonic device with efficient high-speed modulators hosts a synthetic frequency dimension lattice, revealed by characterizing its steady-state performance and real-time acquisition of its tight-binding model band structures.
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Ethan JG Ellul (RMIT University)15/12/2022, 17:30
A transparent smart wound dressing has been developed using Nitrogen Vacancy Centre Microdiamonds within a silk film for temperature detection, enabling early intervention of surface infections for acute wounds.
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SACHIN KUZHUMBITHAZHATHU SHAJIL (University of Melbourne)15/12/2022, 17:30
A microneedle is a biomedical device that could be used for painless administration and extraction of fluids into an individual.
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This study details the process of creating a patch of diamond microneedle and optimising its properties. -
Sangeet Santhosh Kumar (Monash University)15/12/2022, 17:30
Theoretical investigation of excitons in semiconductor quantum-well designed not to have Coulomb bound excitions, but shows excitons bound by photons when placed in optical microcavity. The spectrum is calculated from theory and compares well with recent Nature Physics experiment spectrum.
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J. Bourhill (University of Western Australia)15/12/2022, 17:30
Chirality is a fundamental property in many physical systems ranging from particle physics, topological and quantum systems, complex molecules and chiroptical phenomena. Many of these phenomena occuras surface states, at high energy and frequency, due to complex meta structures or plasmonic systems,which inevitably add loss. In this work we realise a new class of resonator, the Anyon cavity...
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Deb Kane15/12/2022, 17:30
An example of student misconception of a physical concept in first year physics - energy quantisation - is described. This went undetected using standard assessment and was uncovered by descriptive writing assessment.
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JIHONG HAN15/12/2022, 17:30
Nano/Microstructure for spectra modulation by laser fabrication
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Juan Wang15/12/2022, 17:30
Engineering of the structure of nanoporous anodic alumina for iontronic sensing
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Elizabeth Arcadi15/12/2022, 17:30
Tricouplers can be utilised for nulling interferometry. We present laboratory characterisation of 3D tricouplers fabricated by ultrafast laser inscription as well as numerical solutions to coupled mode equations providing a parameter scan to optimise fabrication.
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Mr Zachary Kerr (The University of Queensland)15/12/2022, 17:30
We describe our efforts to realise on-demand PCV creation in quasi-2D 87Rb spinor BEC with uniform density, created in an optical trap enabled by digital-micromirror devices (DMDs).
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Paramjeet Kaur (Research Scholar)15/12/2022, 17:30
In this contribution, we report on the progress of integrating high-speed detectors on PIC for achieving single-chip microwave photonic filters.
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Ian Berkman (The University of New South Wales)15/12/2022, 17:30
Using a sample-on-SSPD approach, we demonstrate optically accessible Er sites in Si with emission at telecom wavelengths. These sites contain electron spins with a coherence time of 0.5 ms and Rabi frequencies of over 1 MHz.
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Alexey Lyasota (Centre of Excellence for Quantum Computation and Communication Technology, School of Physics, University of New South Wales, Sydney, New South Wales 2052, Australia)15/12/2022, 17:30
Using resonant photoluminescence spectroscopy, we show a 350 kHz upper bound on homogeneous broadening, less than 400 MHz inhomogeneous linewidth and long spin lifetimes of Er in Si. These parameters are promising for future quantum information and communication applications.
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Rocio Camacho (The Australian National University)15/12/2022, 17:30
We propose a planar device featuring vanadium dioxide (a phase change material) for optical limiting purposes. We first characterize the static and dynamic response with numerical simulations and finally we verify the performances with experiments.
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Dr Glen Douglass (Macquarie University)15/12/2022, 17:30
Methods for Optical remote sensing of subsurface water properties such as temperature and salinity will be described, along with the transition of successful lab studies to the field. Challenges and achievements will be presented.
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Ms Catherine Merx (University of Newcastle)15/12/2022, 17:30
CCD array based detection of optical scatter has allowed tomographic reconstruction of objects immersed within scattering media. Encouraging results using the inverse Radon transform provide a basis for further investigation and improvement in detection of objects within diffuse media.
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Sobhan Erfantalab (School of Engineering, The University of Western Australia)15/12/2022, 17:30
Here the thermal properties (thermal conductivity and heat capacity) of porous silicon thin films were experimentally investigated as a new material platform, for the realization of high speed and high sensitive thermal sensors.
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Edmund Xiang Lin Ting (University of Adelaide (AU))15/12/2022, 17:30
Overlap removal is an integral step in all ATLAS analyses wherein ambiguities in object reconstruction are resolved. Established methods compare the geometric distance between reconstructed objects. These will be compared to new approaches based on Global Particle Flow.
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Dehong Yu15/12/2022, 17:30
The recent Scientific highlights from the Pelican - time of flight cold neutron spectrometer will be presented.
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Steven Simmons (The University of Queensland)15/12/2022, 17:30
We derive a new stochastic hydrodynamic approach for the description of interacting Bose gases that is capable of computing non-equilibrium quantum correlations, even for short-wavelength phenomena. We perform such calculations in quantum shock wave scenarios.
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Sim Tan (RMIT University)15/12/2022, 17:30
we demonstrate the electro optic comb from the recirculating modulator can be used for high performance lowpass filter without reshaping the comb, which provide the potential integration of the on-chip signal processor. We also demonstrate high-speed image and video processing.
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Agatha Ulibarri15/12/2022, 17:30COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsPoster
SDR is an exciting pathway toward spintronic devices. This work presents the first measurements of the thermal activation energy and carrier capture cross-sections of the SDR-active Ga2+ interstitial defect using a new experimental technique: polarized photo-induced current transient spectroscopy (pol-PICTS).
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Andrew Manning (ANSTO)15/12/2022, 17:30
Neutron scattering is a powerful tool for investigating a variety of condensed-matter systems, and using spin-polarised neutrons reveals further unique information. The possibilities for performing scattering experiments with polarised neutrons at the Australian Centre for Neutron Scattering will be outlined.
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Joshua Machacek15/12/2022, 17:30
We will discuss our investigation into the inclusion of the positronium formation cross section, both empirically and theoretically determined, in the calculation of transport properties in the noble gases.
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Tony Tran (University of Melbourne (AU))15/12/2022, 17:30
To ensure each detector module comprising the upgraded ATLAS ITK detector is produced at a high standard, detector modules undergo rigorous Quality Control and Quality Assurance. This work presents the optical metrology surveys and results.
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Nathan Matthew Brichta15/12/2022, 17:30
In this abstract we detail a method of printing and testing a trichromatic organic photocapacitor for stimulating neurons via capacitive coupling. This work involves using a Sonoplot Microplotter II in conjuction with organic polymers dissolved in non-toxic solvents.
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Dr Ms Nitu Syed (The University of Melbourne)15/12/2022, 17:30
Atomically thin antimony doped indium oxide nanosheets have been synthesized utilizing a scalable liquid metal-based printing technique. The work proposes a viable pathway for realizing ultra-thin transparent semiconducting oxides with enhanced electronic and optical properties for next-generation optoelectronics.
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Prof. Chunming Yin (University of Science and Technology of China)15/12/2022, 17:30
This presentation provides recent progress on fast photoionisation detection of a single Er3+ ion using radio-frequency reflectometry and spectral broadening of single ions with the aim of developing efficient deterministic readout of single optical centres.
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Mr Adam Steinberg (University of Melbourne / University of Manchester / Cockcroft Institute)15/12/2022, 17:30
A design study is ongoing for a fixed field beamline to transport proton beams from 0.5-3.5MeV. Magnet prototyping and particle simulations are underway to demonstrate technologies enabling rapid depth scanning for hadron therapy.
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Thiha Aung15/12/2022, 17:30
Weights in the convolutional neural network are stored as memory in optoelectronic devices. The performance of the neural network drops in a few milliseconds. We use a model to prolong the memory to several minutes.
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Carter Fairhall (The University of Queensland)15/12/2022, 17:30
We use the radiative potential method to report on the first detailed study of the interplay between QED and many-body effects in heavy atoms for E1 transition amplitudes.
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Cahit Kargi (University of Technology Sydney)15/12/2022, 17:30
In this talk, we introduce a new Python library, named QuanGuru, that implements powerful abstractions providing a broad range of useful and highly versatile functionalities, and show QuanGuru examples.
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Ori Somech (PhD student)15/12/2022, 17:30
We introduce states that are the asymptotic eigenstates of the SU(2) lowering operator and are naturally produced in steady-state Dicke superradiance. A spin emitter in these states radiates classical-like coherent light, although these states are quantum entangled.
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Xilin Lu15/12/2022, 17:30
Construct the $\mathcal{PT}$-symmetric QRM, derive the spectrum and investigate the $\mathcal{PT}$-phase boundaries (as exceptional surfaces) at different parameter regimes.
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Mr Andrew Hogan (University of Melbourne)15/12/2022, 17:30
Both the Jaynes-Cummings-Hubbard and Dicke models can be thought of as idealised models of a quantum battery. In this work we examine the "charging" properties of such systems and find that there is no quantum advantage scaling with system size.
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Mr Gregory Peiris (The University of Melbourne)15/12/2022, 17:30
Radiotherapy treatment in Low- and Middle-Income Countries is under significant strain due to environmental, socio-economic and geographic factors which cause Linear Accelerators used in treatment to breakdown. This study aims to quantify the problem and provide robust alternatives.
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Shanette De La Motte (The University of Adelaide)15/12/2022, 17:30Poster
The Belle II Experiment is a high-energy collision experiment located in Japan, aiming to record the largest dataset of B-mesons ever produced.
B-mesons provide an unique laboratory to explore phenomena both within and beyond the Standard Model, such as quark-mixing, flavour oscillation and charge-parity violation.
Searches for leptonically decaying B mesons can provide a method of...
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John Debs (Research School of Physics, The Australian National University)15/12/2022, 17:30
We have developed software and present significant evidence for how virtual reality can be used to correct common misconceptions of introductory physics students when learning Newtonian mechanics. Compared with standard instruction, students using VR improve their FCI scores by 13%.
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Timothy Hirsch (University of Queensland)15/12/2022, 17:30
Nanomechanical computers promise radiation robust, low energy information processing, however no scalable approach has so far been devised. Here we experimentally demonstrate a scalable, CMOS-compatible nanomechanical logic gate that could realistically scale to an energy cost close to Laundauer's bound.
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Scott David Williams (University of Melbourne (AU))15/12/2022, 17:30
A presentation of the conceptual design and simulation of a compact beamline using high gradient X-band accelerating structures at the University of Melbourne X-lab which can be used as input for an Inverse Compton Scattering X-ray light source.
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Dr Pritam Sharma15/12/2022, 17:30
The choice of metal contacts on the surface of porous silicon films for fabricating opto-electronic devices is affected by post-metal deposition processing steps. In the present work, Al, Cr/Au, Ti, and Ti/Pt/Au metallisation schemes were investigated for fabricating such devices.
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Joshua Davis (Queensland University of Technology)15/12/2022, 17:30
Highly local thermal effects which occur during a nanosecond laser pulse cause a significant change in the size distribution of metallic nanoparticles during a z-scan which can affect the z-scan results.
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Raji Bhaskaran Nair (Macquarie University)15/12/2022, 17:30
we integrate solid immersion micro-lenses into a fibre-based microcavity-polaritons system to increase photonic confinement and achieving stronger optical nonlinearities.
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Billy Pappas (The University of New South Wales)15/12/2022, 17:30COMMAD: Photonic integrated circuits, semiconductor lasers, LEDs, photodetectors, and modulatorsPoster
We probe the distributions of spin properties responsible for reverse intersystem crossing in exciplex-based TADF OLEDs through spectrally resolved magneto-luminescence.
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Mr Aks Kotian (Curtin University)15/12/2022, 17:30
We study electron capture and ionisation in fully-stripped neon ion collisions with ground-state atomic hydrogen using the two-centre wave-packet convergent close-coupling (WP-CCC) method over the energy range from 1 keV/u to 2 MeV/u.
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Daniel Roberts (School of Science, RMIT University)15/12/2022, 17:30
Plasma-driven epitaxy on nitrogen-terminated diamond can create very thin nitrogen-vacancy center layers, useful for quantum sensing. To reduce nitrogen loss during epitaxy, we study the stability of the nitrogen termination in these growth plasmas.
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Declan Armstrong (The University of Queensland)15/12/2022, 17:30
We investigate methods and applications of in-situ aberration correction, utilising a modified holographic optical trapping setup, to rapidly fabricate high-resolution 3D microstructures for studying biological systems
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Shao Qi Lim (Centre of Quantum Computation and Communication Technology, School of Physics, University of Melbourne)15/12/2022, 17:30
Ga-hyperdoped germanium fabricated from ion implantation and flash lamp annealing has been shown to be superconducting at low temperatures of ~0.5 K. Here, we fabricate Ga-hyperdoped germanium from GeGa deposition and pulsed-laser melting and obtain a Tc of ~0.86 K.
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Joshua Foo15/12/2022, 17:30
In this talk, I demonstrate how mode-selective interactions, ubiquitous in quantum optics and field theory, lead to causality violations. I resolve this problem by showing that such interactions necessarily induce a fundamental time-delay in the propagation of input modes.
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James Webb (University of Melbourne (AU))15/12/2022, 17:30
An overview of the ATLAS strip tracker upgrade programme, with a focus on the testing and optimisation of assembly procedures in the lead up to end-cap module construction at the University of Melbourne.
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Darryl Jones (College of Science and Engineering, Flinders University)15/12/2022, 17:30
We explore the creation and characterization of exfoliated zirconium telluride nanostructures in order to investigate their electronic properties through a combination of photoemission electron microscopy and microARPES.
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Paarangat Pushkarna15/12/2022, 17:30
The first Southern Hemisphere X-band Laboratory for Accelerators and Beams (X-LAB) is under construction at the University of Melbourne, it will form the basis for developing a compact accelerator for medical applications, such as radiotherapy and compact light sources.
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Rosemary Zielinski (The Australian National University)15/12/2022, 17:30
This work shows the relative success of using relativistic Hartree-Fock methods to theoretically predict characteristic x-ray spectra of zinc. We compare our results to experimental data, yielding promising fits.
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Simon Lee15/12/2022, 17:30
Small arrays of Imaging Air Cherenkov Telescopes were simulated to study the potential performance of an Australia-sited array, which would contribute to achieving 24-hour all-sky coverage at GeV and TeV energies.
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Rohan Glover (The University of Adelaide)15/12/2022, 17:30
We report progress towards trace detection of the noble gas isotope $^{39}$Ar at the Australian Atom Trap Trace Analysis facility. Argon-39 has a natural abundance $^{39}$Ar/Ar$=8×10^{−16}$ and half-life of 269yrs making it useful for radiometric dating on an anthropogenic timescale.
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Ms Roslyn Forecast (RMIT University)15/12/2022, 17:30
Triplet-triplet annihilation is a spin-selective process which exhibits a magnetic field response. Here we revisit the fundamental theory used to model this field response, explaining the origins of key equations and the assumptions behind them.
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Yiqing Lu (Macquarie University)15/12/2022, 17:30
Multiplexing detection of nucleic acids has been developed using the temporal dimension of luminescence lifetimes, which are tuned by Luminescence Resonance Energy Transfer between a donor europium complex and an acceptor dye tagged onto oligonucleotides, decoded by time-resolved image cytometry.
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Patjaree Aukarasereenont (RMIT University)15/12/2022, 17:30
Two-dimensional semiconducting oxide was synthesised via the developed liquid metal-based synthesis technique. The material has wide bandgap and exhibits p-type behaviours. The fabricated field-effect transistors showed impressive performances which render this material promising for electronics applications.
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Nicholas Lambert (University of Otago)15/12/2022, 17:30
We use a lithium niobate whispering gallery mode resonator embedded in a microwave cavity to efficiently generate a dual frequency comb. Judicious use of crystal symmetries leads to our two combs being orthogonally polarized, and they are ultrastable in frequency.
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John Lowke (University of South Australia)15/12/2022, 17:30
Plasma Physics has made surprising separate contributions to Welding, Lightning and Circuit interruption.
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Allan Ernest (Charles Sturt University)15/12/2022, 17:30
Quantum theory applied to gravitational potentials, in conjunction with a galaxy’s halo temperature, can be used to understand why some galaxies are dark matter dominated while others are observed to have almost no dark matter.
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Afshin Karami15/12/2022, 17:30
“The upconversion nanoparticles (UCNPs) have recently attracted great attention as a fluorescence probe for use in super-resolution microscopy (SRM). This is due to the advantages of UCNPs over other fluorescence probes such as fluorescent proteins owing to their unique optical properties, lack of photobleaching and sharp emission peaks. However, the ultraviolet (UV) light that can be emitted...
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Mr Pravin Kumar Dahal (Macquarie University)15/12/2022, 17:30
We perform coordinate transformations on the Vaidya metric in advanced coordinate to reduce it into the Rindler metric near the horizon. We then apply the periodicity time trick to extract Hawking temperature.
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Stephen Buckman (Australian National University)16/12/2022, 08:55
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Andrew Stuchbery (The Australian National University)16/12/2022, 09:00
Advances and open questions on the structure of weakly collective nuclei will be discussed, beginning with a shell model perspective, and emphasizing the insights and puzzles that result from recently measured electromagnetic observables.
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Prof. Archil Kobakhidze16/12/2022, 09:00
The isolated magnetic charges and primordial black holes are hypothetical cosmic relics that have a profound connection to some of the unresolved questions in fundamental science. I describe their origin and possible manifestations in astrophysical observations.
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Jordan Jonker (University of Adelaide)16/12/2022, 09:00
The University of Adelaide's Buckland Park VHF radar site has observed unexpected perturbations in measurements of a satellite's radial velocity (Doppler). Fourier analysis and an algorithm have been applied to the data to link the perturbations to recorded ionospheric disturbances.
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Prof. Yuling Wang (Macquarie University)16/12/2022, 09:00COMMAD: Biomedical integrated circuits and implantable devicesTalk (preferred)
As plasmonic nanomaterials play critical roles in facilitating surface-enhanced Raman scattering (SERS) applications in cancer diagnosis, We thus have developed a few strategies to engineer functional plasmonic nanomaterials for SERS-based in vitro cancer diagnostic applications.
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Prof. Jared Cole (RMIT)16/12/2022, 09:00AIP: Condensed Matter, Materials and Surface PhysicsInvited talk
The material science requirements for quantum computing are significantly more stringent than for conventional semiconductor electronics. I will discuss the fundamental challenges in simulating materials for this application, both generally and specifically for superconducting devices.
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Laurence Campbell (Flinders University)16/12/2022, 09:00
A method for computational modeling of electron interactions in gases is applied to processes in the Earth’s mesosphere. Electrons in different subranges of energy are treated in the same way as species in chemical models.
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Tapio Simula (Swinburne University of Technology)16/12/2022, 09:00
We have created Floquet driven time crystals comprised of gravitationally bouncing droplets of fluid. The persistent subharmonic response was observed for over one hundred thousand cycles. Topologically protected droplet transport in time has been realised.
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Halina Rubinsztein-Dunlop (The University of Queensland)16/12/2022, 09:00
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Emily Rees16/12/2022, 09:15
We demonstrate the absolute frequency calibration of a laser using a free spectral range cavity readout designed for next generation geodesy missions.
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Mr Liam Sutton (University of Newcastle)16/12/2022, 09:15ANZCOP: Optical sensorsTalk (preferred)
A high spatial resolution, fast-scanning LiDAR has been developed for dust plume detection. A UV laser source, photomultiplier detection, fast DAQ electronics, IMU and GPS location were assembled on a 355mm Dobsonian telescope for off-grid detection of mining dust plumes.
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James Sullivan16/12/2022, 09:15
Submission for oral presentation
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Shaghayegh Baghapour (Laser Physics and Photonic Devices Laboratories, University of South Australia, SA 5095, Australia)16/12/2022, 09:15
A fluorescnece-based fibre optic sensor has been developed to detect hydrogen sulfide. Optical fibre functionalized with HS-sensitive fluorophore shows an increase in the fluorescence emission upon reaction with HS, the similar behaviour to when fluorophore is dissolved in the solution.
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Dr Joshua Machacek (Australian National University)16/12/2022, 09:30
We will present a novel method to determine the polarization state of a positron beam via interaction with a spin-polarized target to produce positronium atoms and discuss the theoretical limit on its analysing power.
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TONEY teddy fernandez (Macquarie University)16/12/2022, 09:30
A newly designed optical glass that could host ultra-low loss optical waveguides written with femtosecond laser is presented. Propagation losses as low as 0.05 dB/cm is reported for 1310 and 1550 nm wavelengths.
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Ryan Husband (PhD Student)16/12/2022, 09:30
Quantum sensors exhibit promising real-world applications of quantum mechanics that exploit its most counterintuitive properties. I present an ongoing project that aims to design, build, and test a new type of quantum rotation sensor, the vortex matterwave gyroscope.
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Lachlan McKie (Australian National University)16/12/2022, 09:30AIP: Group for Astroparticle PhysicsTalk (preferred)
Direction sensitive detectors are a potential solution to continue the dark matter search into the neutrino fog. The CYGNUS-1 detector is a prototype Time Projection Chamber developed at ANU, to inform future large scale directional dark matter searches.
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Jia Wang (Swinburne University of Technology)16/12/2022, 09:30
We present a fully comprehensive multi-mode quantum treatment based on the truncated Wigner approximation to study discrete time crystals in continuous systems, such as a Bose-Einstein condensate
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bouncing resonantly on an oscillating mirror. -
Tristan Camilleri16/12/2022, 09:30
Ionospheric corrections are applied to satellite observations made using a high frequency line of sight radar during solar minimum using numerical ray-tracing. Results showed mean error in satellite position compared to two-line-element propagation decreased to within 1 km.
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Ms Linh Thai Dieu Truong (University of South Australia)16/12/2022, 09:30
This work explores the feasibility of simulating heat transfer for a single laser irradiated retinal cell in 3D, with a focus on a novel methodology to represent laser intensity decay for complex structures with sub-micron resolution.
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Prof. Ben Powell (UQ)16/12/2022, 09:30AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
See attached abstract
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Mr Paarangat Pushkarna (The University of Melbourne)16/12/2022, 09:30
Shortcomings of Machine Learning methods for Breakdown prediction in High Gradient, Radio Frequency linear accelerating cavities have been identified. We consider improvements upon existing techniques to improve understanding of Breakdown phenomena, in collaboration with CERN.
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Igor Bray (Curtin University)16/12/2022, 09:45
Calculation of antihydrogen formation via excited positronium (Ps($nl$), $n\le7$) scattering on antiprotons is presented using the convergent close-coupling and classical trajectory Monte Carlo approaches. Though there are substantial disagreement for $n\le2$, we obtain good agreement for $n\ge3$.
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Dr Filippo Anzuini (Monash University)16/12/2022, 09:45AIP: Group for Astroparticle PhysicsTalk (preferred)
The expectation value of the axion field in neutron stars becomes large due to finite density corrections. By comparing our magneto-thermal simulations with available neutron star data, we find new observable effects to constrain the axion parameter space.
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Yunle Wei (The University of Adelaide)16/12/2022, 09:45ANZCOP: Novel materialsTalk (preferred)
We fabricated and examined a range of low phonon energy glasses doped with Er3+ that have the potential to be used as scalable imaging chamber material for upconversion based 3D display.
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Oliver Bellwood (The University of Queensland)16/12/2022, 09:45AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
We derive the magnetic Raman intensity of weakly coupled Heisenberg chains using perturbation theory and the Bethe ansatz. An intensity peak that corresponds to the enhanced scattering of two triplon excitations is identified.
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Mr Andre Chambers (School of Physics, The University of Melbourne)16/12/2022, 09:45COMMAD: Biomedical integrated circuits and implantable devicesTalk (preferred)
In this work, nitrogen-doped ultrananocrystalline diamond (N-UNCD) electrodes are characterised for light-based cell stimulation. We utilise ultraviolet photoelectron spectroscopy (UPS) to probe the photocurrent mechanisms of these photoelectrodes, which are then applied for the stimulation of human mesenchymal stem cells.
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Isabel Beth Carr (University of Melbourne (AU))16/12/2022, 09:45
We present an investigation into the ttH process, including the capability for measuring the Higgs boson 'invisible' decays with the HL-LHC and ATLAS detector upgrade.
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James Quach16/12/2022, 09:45
We implement experimentally a paradigmatic model of a quantum battery, constructed of a microcavity enclosing a molecular dye.
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Liam McClelland16/12/2022, 10:00
The first steps towards a proof-of-concept memory powered heat engine using trapped $^{171}$Yb$^+$ ions. This proof-of-concept intends on showing entropy transfer between thermal and spin reservoirs with minimal energy loss, therefore allowing a higher efficiency heat engine than allowed classically.
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Nicolas Mori16/12/2022, 10:00
We have extended the single-centre CCC to allow application to atoms with any number of electrons. We have addressed deficits in this method using a complex model potential calculation. Using this new approach we have completed positron carbon scattering calculations.
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16/12/2022, 10:00
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463. First Observation of Fluorescence above 1200 nm from a Silicon-Related Colour Centre in DiamondMitchell de Vries (RMIT University)16/12/2022, 10:00ANZCOP: Novel materialsTalk (preferred)
We present the first observation and characterisation of a photoluminescence colour centre in diamond with a zero phonon line at 1220nm accompanied by prominent phonon side band replicas. The temperature dependence, excitation power and wavelength, and PL lifetime are presented.
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Nikolai Dontschuk16/12/2022, 10:00AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
Color center charge state specific fluorescence has the potential to be a powerful new tool for investigate the electrical response of biological systems. In this talk I will describe development and advantages of this technique.
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Rhys William Mackintosh16/12/2022, 10:00
We study the stability of laser driven light sails during acceleration by adapting the Poynting-Robertson Effect equations to generalised sail geometries, finding the existence of a passive damping force.
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Benjamin Roberts16/12/2022, 10:00AIP: Group for Astroparticle PhysicsTalk (preferred)
We search for a variation of the fine-structure constant using measurements of late-type evolved giant stars from the S star cluster orbiting the supermassive black hole in our Galactic Centre.
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Tristan Andrew Ruggeri (University of Adelaide (AU))16/12/2022, 10:00
In this talk I will present the general strategies and challenges of Strong production SUSY searches, and mention the novel tools and techniques that have been developed to enhance these searches.
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Matthew James Griffith16/12/2022, 10:00COMMAD: Biomedical integrated circuits and implantable devicesTalk (preferred)
In this work, we report our group’s recent efforts to create flexible and biocompatible neural interfaces. We combine soft carbon-based organic semiconductors and nanoscale science to print innovative bioelectrodes from functional nanoparticles that enable optical neurostimulation without requiring external power.
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Alisher Kadyrov (Curtin University)16/12/2022, 10:15
We report on recent progress in applications of the convergent close-coupling approach to ion-atom collisions. The approach allows one to take into account all underlying processes of excitation, ionisation, and electron capture into bound and continuum states of the projectile.
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Wen Qi Zhang (University of South Australia)16/12/2022, 10:15ANZCOP: Novel materialsTalk (preferred)
Nitrogen-vacancy colour centres in diamonds have unique properties that attract significant attention for various applications. This work explores the deactivation of NV centres in diamond particles embedded in glass for an alternative fast sensor fabrication technique.
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Ben Coombes16/12/2022, 10:15
The nature of pre-collective nuclei is discussed in relation to recent measurements of M1 and E2 observables in the Te isotopes. Common features of pre-collective nuclei are investigated with the intention of understanding the onset of nuclear collectivity.
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Benjamin Pope (University of Queensland)16/12/2022, 10:15
Tree ring radiocarbon reveals 'Miyake events': rare bursts of cosmic radiation, larger than the greatest solar flares. Using our new open source Bayesian carbon cycle code, we reanalyse all published data, rejecting false positive events and challenging previous models.
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Mr Hugh Sullivan (RMIT University)16/12/2022, 10:15AIP: Condensed Matter, Materials and Surface PhysicsTalk (preferred)
Using the finite-element method, we study the response of quantum dots of various geometries in electromagnetic fields. We demonstrate a general approach that supports the design and study of novel optical nanostructures.
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Jessie Ann Posar (University of Sydney)16/12/2022, 10:15
A novel tissue-equivalent organic x-ray detector was fabricated from polymer donor P3HT and non-fullerene acceptor o-IDTBR exhibiting superior optoelectronic properties for high operating efficiencies under x-rays without bias. Insights into radiation-induced damage mechanisms enabled material modifications to improve device stability.
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Stefan A. Maier (Monash University)16/12/2022, 11:00
Structuring materials below the wavelength scale provides a means for light harvesting to nanometric dimensions. Particularly suitable are metallic nanostructures due to the existence of highly confined surface plasmon excitations, which allow efficient harvesting of electromagnetic energy and its transduction to other forms, for example acoustic surface waves or the supply of energy to...
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Tracy Slatyer16/12/2022, 11:45
The nature of dark matter is an outstanding puzzle of fundamental physics. I will describe current limits on the broad space of viable dark matter scenarios, and outline some exciting directions for dark matter searches over the next decade, covering both terrestrial experiments and searches based on astrophysical observations.
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Luke Pollock (UNSW Canberra)
This work explores embedded fibre optic sensors in lightweight PLA during 3D printing for applications in aircraft structures. The sensors are used for strain and shape sensing of a wind tunnel model of a box-wing.
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Mr Thomas Nommensen (The University of Sydney)
Graph Neural Networks (GNNs) are increasingly being deployed when analysing data from particle physics experiments. We will present preliminary studies involving the application of GNNs to the problem of identifying processes involving top quarks in a collider environment.
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Dr Scott Foster (DSTG)
Using interferometric interrogation techniques, we demonstrate measurement of the frequency noise of 4 multiplexed distributed feedback fiber lasers over a 100 km single mode fibre link.
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Laura GreeneInvited talk
Science Diplomacy is moving to pay more attention to the implications for scientists in today’s changing societal and geopolitical landscapes. IUPAP has recently issued statements in to address this.
Laura is the Chief Scientist at the US National High Magnetic Field Laboratory and the Marie Krafft Professor of Physics at Florida State University. She is a member of the US President’s...
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Hansuek Lee (Korea Advanced Institute of Science and Technology)ANZCOP: Nanophotonics, metaoptics and plasmonicsInvited talk
Recently, a method to form light-guiding geometries on a chip by depositing a core material without a following etching process has been developed and verified with chalcogenide glass. We introduce the current results showing extremely low loss and their applications.
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Ivan Toftul (Australian National University)ANZCOP: Nanophotonics, metaoptics and plasmonicsTalk (preferred)
We analyze optical force and torque on a dielectric cylinder in the field of an evanescent field which has linear momentum, gradients, non-zero spin density. Opmochanical response have resonant nature. Torque resonances strongly depend on the azimuthal number $m$.
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Jesper Levinsen (Monash University)
The Fermi polaron, a particle dressed by excitations of a fermionic medium, is a problem that arises in multiple contexts. I will discuss recent theory progress toward understanding the static and dynamic properties of such polarons in ultracold Fermi gases.
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Alexander Heger (Monash University)
The formation of supermassive black holes that power high-redshift quasars poses a challenge to our understanding of era of first stars and first galaxies. We present models of supermassive stars and their fates.
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Prof. Laura Greene (Florida State University)
The many correlated electron problems remain largely unsolved after decades; with one stunning success being BCS electron-phonon mediated conventional superconductivity. The Cooper pairing mechanisms of the dozens of families of unconventional superconductors, including the high-Tc cuprate, iron-based, and heavy fermion superconductors remain elusive and quite varied. But some of their...
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