Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session A27: Driven and Dissipative AMO Systems I
8:00 AM–11:00 AM,
Monday, March 15, 2021
Sponsoring
Unit:
DAMOP
Chair: Nir Navon
Abstract: A27.00010 : Polaron effects on optical properties of Se+:Si spin-photon interfaces*
9:48 AM–10:00 AM
Live
Presenter:
Leonard Ruocco
(University of British Columbia)
Authors:
Leonard Ruocco
(University of British Columbia)
Mona Berciu
(University of British Columbia)
in developing robust spin-photon interfaces for semiconductor quantum
computing architectures. Donor spins in silicon are known to exhibit remarkably long-coherence
times, making them attractive candidates for qubits, however the semiconductor environment
introduces strong electron-phonon couplings which adversely effect the fidelity of the spin-photon
interface, and therefore our ability to entangle qubits and perform quantum gate computations. In
order to better understand the role of electron-phonon couplings in these systems, we study a
microscopic model that captures the physical mechanisms inherent to these interactions in indirect
bandgap semiconductors like silicon. We report on calculated fluorescence emission spectra that
closely reproduces phonon sideband formation in experimentally observed spectra. We explore the
range of parameters in the model and their effect on the phonon sidebands and discuss their
implications for experimental design.
*Stewart Blusson Quantum Matter Institute, University of British Columbia
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