Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity

Abstract The development of efficient network nodes is a key element for the realization of quantum networks which promise great capabilities as distributed quantum computing or provable secure communication. We report the realization of a quantum network node using a trapped ion inside a fiber-base...

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Autores principales:	Pascal Kobel, Moritz Breyer, Michael Köhl
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
Acceso en línea:	https://doaj.org/article/58e84f412eff4427b4aefe87caabf1aa
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spelling	oai:doaj.org-article:58e84f412eff4427b4aefe87caabf1aa2021-12-02T15:23:49ZDeterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity10.1038/s41534-020-00338-22056-6387https://doaj.org/article/58e84f412eff4427b4aefe87caabf1aa2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41534-020-00338-2https://doaj.org/toc/2056-6387Abstract The development of efficient network nodes is a key element for the realization of quantum networks which promise great capabilities as distributed quantum computing or provable secure communication. We report the realization of a quantum network node using a trapped ion inside a fiber-based Fabry–Perot cavity. We show the generation of deterministic entanglement at a high fidelity of 90.1(17)% between a trapped Yb ion and a photon emitted into the resonator mode. We achieve a success probability for generation and detection of entanglement for a single shot of 2.5 × 10−3 resulting in 62 Hz entanglement rate.Pascal KobelMoritz BreyerMichael KöhlNature PortfolioarticlePhysicsQC1-999Electronic computers. Computer scienceQA75.5-76.95ENnpj Quantum Information, Vol 7, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
spellingShingle	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95 Pascal Kobel Moritz Breyer Michael Köhl Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity
description	Abstract The development of efficient network nodes is a key element for the realization of quantum networks which promise great capabilities as distributed quantum computing or provable secure communication. We report the realization of a quantum network node using a trapped ion inside a fiber-based Fabry–Perot cavity. We show the generation of deterministic entanglement at a high fidelity of 90.1(17)% between a trapped Yb ion and a photon emitted into the resonator mode. We achieve a success probability for generation and detection of entanglement for a single shot of 2.5 × 10−3 resulting in 62 Hz entanglement rate.
format	article
author	Pascal Kobel Moritz Breyer Michael Köhl
author_facet	Pascal Kobel Moritz Breyer Michael Köhl
author_sort	Pascal Kobel
title	Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity
title_short	Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity
title_full	Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity
title_fullStr	Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity
title_full_unstemmed	Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity
title_sort	deterministic spin-photon entanglement from a trapped ion in a fiber fabry–perot cavity
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/58e84f412eff4427b4aefe87caabf1aa
work_keys_str_mv	AT pascalkobel deterministicspinphotonentanglementfromatrappedioninafiberfabryperotcavity AT moritzbreyer deterministicspinphotonentanglementfromatrappedioninafiberfabryperotcavity AT michaelkohl deterministicspinphotonentanglementfromatrappedioninafiberfabryperotcavity
_version_	1718387265338605568

Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity

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