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 M53: Defects in Diamond
11:30 AM–1:54 PM,
Wednesday, March 17, 2021
Sponsoring
Units:
DMP DCOMP FIAP
Chair: Matthew McCluskey, Washington State Univ
Abstract: M53.00001 : Investigation of Stark shift and charge noise on a centrosymmetric diamond defect
11:30 AM–11:42 AM
Live
Presenter:
Lorenzo De Santis
(Massachusetts Institute of Technology MIT)
Authors:
Lorenzo De Santis
(Massachusetts Institute of Technology MIT)
Matthew Trusheim
(Massachusetts Institute of Technology MIT)
Kevin C Chen
(Massachusetts Institute of Technology MIT)
Dirk R. Englund
(Massachusetts Institute of Technology MIT)
Here we investigate the effect of an external electric field on the optical transition of a single tin-vacancy (SnV) center in diamond. Our study reveals the absence of a permanent electric dipole with a suppressed polarizability of the emitter, more than 4 orders of magnitude lower than for an NV center. This is the first direct demonstration of the inversion symmetry protection of a Group IV-vacancy defect in diamond from charge noise. Moreover, we show that by modulating the SnV electric-field-induced dipole we can use the SnV optical linewidth as a nanoscale probe to quantify electric field noise at its location. To gain further insight on the effect of the electric field noise, we also probe the optical transition at different timescales. This allows to resolve the individual spectral jumps of the transition, and to measure the homogeneous linewidth of the emitter without spectral diffusion effects.
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