Quantum Control of the Tin-Vacancy Spin Qubit in Diamond

Group-IV color centers in diamond are a promising light-matter interface for quantum networking devices. The negatively charged tin-vacancy center (SnV) is particularly interesting, as its large spin-orbit coupling offers strong protection against phonon dephasing and robust cyclicity of its optical...

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Autores principales: Romain Debroux, Cathryn P. Michaels, Carola M. Purser, Noel Wan, Matthew E. Trusheim, Jesús Arjona Martínez, Ryan A. Parker, Alexander M. Stramma, Kevin C. Chen, Lorenzo de Santis, Evgeny M. Alexeev, Andrea C. Ferrari, Dirk Englund, Dorian A. Gangloff, Mete Atatüre
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Publicado: American Physical Society 2021
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spelling oai:doaj.org-article:22ed269b016c4c94b820ffcff44383ea2021-11-30T15:34:06ZQuantum Control of the Tin-Vacancy Spin Qubit in Diamond10.1103/PhysRevX.11.0410412160-3308https://doaj.org/article/22ed269b016c4c94b820ffcff44383ea2021-11-01T00:00:00Zhttp://doi.org/10.1103/PhysRevX.11.041041http://doi.org/10.1103/PhysRevX.11.041041https://doaj.org/toc/2160-3308Group-IV color centers in diamond are a promising light-matter interface for quantum networking devices. The negatively charged tin-vacancy center (SnV) is particularly interesting, as its large spin-orbit coupling offers strong protection against phonon dephasing and robust cyclicity of its optical transitions toward spin-photon-entanglement schemes. Here, we demonstrate multiaxis coherent control of the SnV spin qubit via an all-optical stimulated Raman drive between the ground and excited states. We use coherent population trapping and optically driven electronic spin resonance to confirm coherent access to the qubit at 1.7 K and obtain spin Rabi oscillations at a rate of Ω/2π=19.0(1)  MHz. All-optical Ramsey interferometry reveals a spin dephasing time of T_{2}^{*}=1.3(3)  μs, and four-pulse dynamical decoupling already extends the spin-coherence time to T_{2}=0.30(8)  ms. Combined with transform-limited photons and integration into photonic nanostructures, our results make the SnV a competitive spin-photon building block for quantum networks.Romain DebrouxCathryn P. MichaelsCarola M. PurserNoel WanMatthew E. TrusheimJesús Arjona MartínezRyan A. ParkerAlexander M. StrammaKevin C. ChenLorenzo de SantisEvgeny M. AlexeevAndrea C. FerrariDirk EnglundDorian A. GangloffMete AtatüreAmerican Physical SocietyarticlePhysicsQC1-999ENPhysical Review X, Vol 11, Iss 4, p 041041 (2021)
institution DOAJ
collection DOAJ
language EN
topic Physics
QC1-999
spellingShingle Physics
QC1-999
Romain Debroux
Cathryn P. Michaels
Carola M. Purser
Noel Wan
Matthew E. Trusheim
Jesús Arjona Martínez
Ryan A. Parker
Alexander M. Stramma
Kevin C. Chen
Lorenzo de Santis
Evgeny M. Alexeev
Andrea C. Ferrari
Dirk Englund
Dorian A. Gangloff
Mete Atatüre
Quantum Control of the Tin-Vacancy Spin Qubit in Diamond
description Group-IV color centers in diamond are a promising light-matter interface for quantum networking devices. The negatively charged tin-vacancy center (SnV) is particularly interesting, as its large spin-orbit coupling offers strong protection against phonon dephasing and robust cyclicity of its optical transitions toward spin-photon-entanglement schemes. Here, we demonstrate multiaxis coherent control of the SnV spin qubit via an all-optical stimulated Raman drive between the ground and excited states. We use coherent population trapping and optically driven electronic spin resonance to confirm coherent access to the qubit at 1.7 K and obtain spin Rabi oscillations at a rate of Ω/2π=19.0(1)  MHz. All-optical Ramsey interferometry reveals a spin dephasing time of T_{2}^{*}=1.3(3)  μs, and four-pulse dynamical decoupling already extends the spin-coherence time to T_{2}=0.30(8)  ms. Combined with transform-limited photons and integration into photonic nanostructures, our results make the SnV a competitive spin-photon building block for quantum networks.
format article
author Romain Debroux
Cathryn P. Michaels
Carola M. Purser
Noel Wan
Matthew E. Trusheim
Jesús Arjona Martínez
Ryan A. Parker
Alexander M. Stramma
Kevin C. Chen
Lorenzo de Santis
Evgeny M. Alexeev
Andrea C. Ferrari
Dirk Englund
Dorian A. Gangloff
Mete Atatüre
author_facet Romain Debroux
Cathryn P. Michaels
Carola M. Purser
Noel Wan
Matthew E. Trusheim
Jesús Arjona Martínez
Ryan A. Parker
Alexander M. Stramma
Kevin C. Chen
Lorenzo de Santis
Evgeny M. Alexeev
Andrea C. Ferrari
Dirk Englund
Dorian A. Gangloff
Mete Atatüre
author_sort Romain Debroux
title Quantum Control of the Tin-Vacancy Spin Qubit in Diamond
title_short Quantum Control of the Tin-Vacancy Spin Qubit in Diamond
title_full Quantum Control of the Tin-Vacancy Spin Qubit in Diamond
title_fullStr Quantum Control of the Tin-Vacancy Spin Qubit in Diamond
title_full_unstemmed Quantum Control of the Tin-Vacancy Spin Qubit in Diamond
title_sort quantum control of the tin-vacancy spin qubit in diamond
publisher American Physical Society
publishDate 2021
url https://doaj.org/article/22ed269b016c4c94b820ffcff44383ea
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