2-7 June 2019
Simon Fraser University
America/Vancouver timezone
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Characterization of the Si:Se+ spin-photon interface

5 Jun 2019, 11:15
15m
ASB 10900 (Simon Fraser University)

ASB 10900

Simon Fraser University

Oral Competition (Graduate Student) / Compétition orale (Étudiant(e) du 2e ou 3e cycle) Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM) W1-9 Condensed matter systems & related: experiment & theory (DCMMP) | systèmes de matière condensée et expérience et théorie connexes (DPMCM)

Speaker

Adam DeAbreu (Department of Physics, Simon Fraser University)

Description

Ionized chalcogen donors in silicon, such as S+, Se+, and Te+, offer excellent spin qubit properties on par with the commonly studied group V hydrogenic “shallow” donors such as phosphorus. These deep chalcogen donors have the additional advantage of spin-selective, mid-infrared optical access to their lowest excited valley-orbit states. By coupling this optical transition to silicon photonic cavities this provides a natural means of connecting qubits within a cavity-QED architecture. Here we characterize key features of this optical transition in Si:Se+, including the transition dipole moment, radiative efficiency, phonon sideband, and orbital excited state lifetime. These results inform the viability of Si:Se+ as a spin-photon interface within a silicon photonics quantum platform.

Primary author

Adam DeAbreu (Department of Physics, Simon Fraser University)

Co-authors

Camille Bowness (Department of Physics, Simon Fraser University) Rohan Abraham (Department of Physics, Simon Fraser University) Alzbeta Medvedova (Department of Physics, Simon Fraser University) Kevin Morse (Department of Physics, Simon Fraser University) Helge Riemann (Leibniz-Institut für Kristallzüchtung) Nikolay Abrosimov (Leibniz-Institut für Kristallzüchtung) Peter Becker (Physikalisch-Technische Bundesanstalt Braunschweig) Hans-Joachim Pohl (VITCON Projectconsult GmbH) Michael Thewalt (Department of Physics, Simon Fraser University) Simmons Stephanie (Department of Physics, Simon Fraser University)

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