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Title: Electrical Tuning of Tin-Vacancy Centers in Diamond

Abstract

Group-IV color centers in diamond have attracted significant attention as solid-state spin qubits because of their excellent optical and spin properties. Among these color centers, the tin-vacancy (Sn-V-) center is of particular interest because its large ground-state splitting enables long spin coherence times at temperatures above 1 K. However, color centers typically suffer from inhomogeneous broadening, which can be exacerbated by nanofabrication-induced strain, hindering the implementation of quantum nodes emitting indistinguishable photons. Although strain and Raman tuning have been investigated as promising tuning techniques to overcome the spectral mismatch between distinct group-IV color centers, other approaches need to be explored to find methods that can offer more localized control without sacrificing emission intensity. Here, we study the electrical tuning of Sn-V- centers in diamond via the direct-current Stark effect. We demonstrate a tuning range beyond 1.7 GHz. We observe both quadratic and linear dependence on the applied electric field. Further, we also confirm that the tuning effect we observe is a result of the applied electric field and is distinct from thermal tuning due to Joule heating. Stark tuning is a promising avenue toward overcoming detunings between emitters and enabling the realization of multiple identical quantum nodes.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1];  [1]
  1. Stanford Univ., CA (United States)
Publication Date:
Research Org.:
Stanford Univ., CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC); US Air Force Office of Scientific Research (AFOSR); National Science Foundation (NSF); Swiss National Science Foundation (SNSF)
OSTI Identifier:
1832246
Grant/Contract Number:  
SC0020115; W911NF-13-1-0309; 1838976; FA9550-16-1-0223; P400P2 194424; ECCS-2026822
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Applied
Additional Journal Information:
Journal Volume: 15; Journal Issue: 6; Journal ID: ISSN 2331-7019
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Aghaeimeibodi, Shahriar, Riedel, Daniel, Rugar, Alison E., Dory, Constantin, and Vučković, Jelena. Electrical Tuning of Tin-Vacancy Centers in Diamond. United States: N. p., 2021. Web. doi:10.1103/physrevapplied.15.064010.
Aghaeimeibodi, Shahriar, Riedel, Daniel, Rugar, Alison E., Dory, Constantin, & Vučković, Jelena. Electrical Tuning of Tin-Vacancy Centers in Diamond. United States. https://doi.org/10.1103/physrevapplied.15.064010
Aghaeimeibodi, Shahriar, Riedel, Daniel, Rugar, Alison E., Dory, Constantin, and Vučković, Jelena. Thu . "Electrical Tuning of Tin-Vacancy Centers in Diamond". United States. https://doi.org/10.1103/physrevapplied.15.064010. https://www.osti.gov/servlets/purl/1832246.
@article{osti_1832246,
title = {Electrical Tuning of Tin-Vacancy Centers in Diamond},
author = {Aghaeimeibodi, Shahriar and Riedel, Daniel and Rugar, Alison E. and Dory, Constantin and Vučković, Jelena},
abstractNote = {Group-IV color centers in diamond have attracted significant attention as solid-state spin qubits because of their excellent optical and spin properties. Among these color centers, the tin-vacancy (Sn-V-) center is of particular interest because its large ground-state splitting enables long spin coherence times at temperatures above 1 K. However, color centers typically suffer from inhomogeneous broadening, which can be exacerbated by nanofabrication-induced strain, hindering the implementation of quantum nodes emitting indistinguishable photons. Although strain and Raman tuning have been investigated as promising tuning techniques to overcome the spectral mismatch between distinct group-IV color centers, other approaches need to be explored to find methods that can offer more localized control without sacrificing emission intensity. Here, we study the electrical tuning of Sn-V- centers in diamond via the direct-current Stark effect. We demonstrate a tuning range beyond 1.7 GHz. We observe both quadratic and linear dependence on the applied electric field. Further, we also confirm that the tuning effect we observe is a result of the applied electric field and is distinct from thermal tuning due to Joule heating. Stark tuning is a promising avenue toward overcoming detunings between emitters and enabling the realization of multiple identical quantum nodes.},
doi = {10.1103/physrevapplied.15.064010},
journal = {Physical Review Applied},
number = 6,
volume = 15,
place = {United States},
year = {Thu Jun 03 00:00:00 EDT 2021},
month = {Thu Jun 03 00:00:00 EDT 2021}
}

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