Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session A35: Semiconducting Quantum Computing with Donors
8:00 AM–10:24 AM,
Monday, March 4, 2019
BCEC
Room: 205B
Sponsoring
Unit:
DQI
Chair: Ryan Jock, Sandia National Laboratories
Abstract: A35.00009 : Investigating the impact of laser illumination upon coherence times of electron spin qubits bound to donors in silicon*
10:00 AM–10:12 AM
Presenter:
David Wise
(London Centre for Nanotechnology, University College London)
Authors:
David Wise
(London Centre for Nanotechnology, University College London)
Naitik Panjwani
(London Centre for Nanotechnology, University College London)
Siddharth Dhomkar
(London Centre for Nanotechnology, University College London)
John Morton
(London Centre for Nanotechnology, University College London)
An intriguing research question is whether these two different species of spin qubit could be employed in a hybrid architecture. To assess the potential for this an initial study is needed on the impact of laser illumination on coherence times of donor spin qubits in silicon to establish threshold wavelengths and powers at which coherence is negligibly affected. Here, we present an analysis of the impact of NIR illumination on the coherence of electrons bound to phosphorus donors in silicon.
*The authors gratefully acknowledge funding from EPSRC
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