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24th Australian Institute of Physics Congress

11–16 Dec 2022
Australia/Adelaide timezone
Co-locating with the 7th International Workshop of Specialty Optical Fibres and Their Applications (WSOF), the Australian and New Zealand Conference on Optics and Photonics (ANZCOP), and the Conference on Optoelectronlc and Microelectronic Materials and Devices (COMMAD)

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Engineered entropic forces allow ultrastrong dynamical backaction

13 Dec 2022, 17:30
1h 30m
Exhibition Halls F & G (Adelaide Convention Centre)

Exhibition Halls F & G

Adelaide Convention Centre
Poster ANZCOP: Nanophotonics, metaoptics and plasmonics Poster session

Speaker

Christopher Baker (The University of Queensland)

Description

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.

Author

Christopher Baker (The University of Queensland)

Co-authors

Dr Andreas Sawadsky (The University of Queensland) Raymond Harrison (The University of Queensland) Glen Harris (University of Queensland) Mr Walter Wasserman (The University of Queensland) Ms Yasmine Sfendla (The University of Queensland) Warwick Bowen (The University of Queensland)

Presentation materials

AIP_Congress_2022_Abstract__CB_.pdf
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