Efficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber

Abstract Nitrogen-Vacancy (NV) centers in diamond are promising solid-state quantum emitters that can be utilized for photonic quantum applications. Various diamond nanophotonic devices have been fabricated for efficient extraction of single photons emitted from NV centers to a single guided mode. H...

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Autores principales:	Yuya Yonezu, Kentaro Wakui, Kentaro Furusawa, Masahiro Takeoka, Kouichi Semba, Takao Aoki
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b8a075e5b3794eda843d92d1a0ae43f0
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spelling	oai:doaj.org-article:b8a075e5b3794eda843d92d1a0ae43f02021-12-02T15:06:09ZEfficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber10.1038/s41598-017-13309-z2045-2322https://doaj.org/article/b8a075e5b3794eda843d92d1a0ae43f02017-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-13309-zhttps://doaj.org/toc/2045-2322Abstract Nitrogen-Vacancy (NV) centers in diamond are promising solid-state quantum emitters that can be utilized for photonic quantum applications. Various diamond nanophotonic devices have been fabricated for efficient extraction of single photons emitted from NV centers to a single guided mode. However, for constructing scalable quantum networks, further efficient coupling of single photons to a guided mode of a single-mode fiber (SMF) is indispensable and a difficult challenge. Here, we propose a novel efficient hybrid system between an optical nanofiber and a cylindrical-structured diamond nanowire. The maximum coupling efficiency as high as 75% for the sum of both fiber ends is obtained by numerical simulations. The proposed hybrid system will provide a simple and efficient interface between solid-state quantum emitters and a SMF suitable for constructing scalable quantum networks.Yuya YonezuKentaro WakuiKentaro FurusawaMasahiro TakeokaKouichi SembaTakao AokiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yuya Yonezu Kentaro Wakui Kentaro Furusawa Masahiro Takeoka Kouichi Semba Takao Aoki Efficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber
description	Abstract Nitrogen-Vacancy (NV) centers in diamond are promising solid-state quantum emitters that can be utilized for photonic quantum applications. Various diamond nanophotonic devices have been fabricated for efficient extraction of single photons emitted from NV centers to a single guided mode. However, for constructing scalable quantum networks, further efficient coupling of single photons to a guided mode of a single-mode fiber (SMF) is indispensable and a difficult challenge. Here, we propose a novel efficient hybrid system between an optical nanofiber and a cylindrical-structured diamond nanowire. The maximum coupling efficiency as high as 75% for the sum of both fiber ends is obtained by numerical simulations. The proposed hybrid system will provide a simple and efficient interface between solid-state quantum emitters and a SMF suitable for constructing scalable quantum networks.
format	article
author	Yuya Yonezu Kentaro Wakui Kentaro Furusawa Masahiro Takeoka Kouichi Semba Takao Aoki
author_facet	Yuya Yonezu Kentaro Wakui Kentaro Furusawa Masahiro Takeoka Kouichi Semba Takao Aoki
author_sort	Yuya Yonezu
title	Efficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber
title_short	Efficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber
title_full	Efficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber
title_fullStr	Efficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber
title_full_unstemmed	Efficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber
title_sort	efficient single-photon coupling from a nitrogen-vacancy center embedded in a diamond nanowire utilizing an optical nanofiber
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/b8a075e5b3794eda843d92d1a0ae43f0
work_keys_str_mv	AT yuyayonezu efficientsinglephotoncouplingfromanitrogenvacancycenterembeddedinadiamondnanowireutilizinganopticalnanofiber AT kentarowakui efficientsinglephotoncouplingfromanitrogenvacancycenterembeddedinadiamondnanowireutilizinganopticalnanofiber AT kentarofurusawa efficientsinglephotoncouplingfromanitrogenvacancycenterembeddedinadiamondnanowireutilizinganopticalnanofiber AT masahirotakeoka efficientsinglephotoncouplingfromanitrogenvacancycenterembeddedinadiamondnanowireutilizinganopticalnanofiber AT kouichisemba efficientsinglephotoncouplingfromanitrogenvacancycenterembeddedinadiamondnanowireutilizinganopticalnanofiber AT takaoaoki efficientsinglephotoncouplingfromanitrogenvacancycenterembeddedinadiamondnanowireutilizinganopticalnanofiber
_version_	1718388605974478848

Efficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber

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