Cascaded Kerr photon-blockade sources and applications in quantum key distribution

Abstract To raise the repetition rate, a single-photon source based on Kerr quantum blockade in a cascaded quantum system is studied. Using the quantum trajectory method, we calculate and simulate the photon number distributions out of a two-cavity system. A high quality single-photon source can be...

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Autores principales:	Ao Li, Yiheng Zhou, Xiang-Bin Wang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/39ff4953db124880ac9c93fce4280b99
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spelling	oai:doaj.org-article:39ff4953db124880ac9c93fce4280b992021-12-02T16:08:24ZCascaded Kerr photon-blockade sources and applications in quantum key distribution10.1038/s41598-017-07589-82045-2322https://doaj.org/article/39ff4953db124880ac9c93fce4280b992017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07589-8https://doaj.org/toc/2045-2322Abstract To raise the repetition rate, a single-photon source based on Kerr quantum blockade in a cascaded quantum system is studied. Using the quantum trajectory method, we calculate and simulate the photon number distributions out of a two-cavity system. A high quality single-photon source can be achieved through optimizing parameters. The designed photon source is further applied to the decoy state quantum key distribution (QKD). With and without statistical fluctuation, the key rate can be both raised drastically.Ao LiYiheng ZhouXiang-Bin WangNature 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 Ao Li Yiheng Zhou Xiang-Bin Wang Cascaded Kerr photon-blockade sources and applications in quantum key distribution
description	Abstract To raise the repetition rate, a single-photon source based on Kerr quantum blockade in a cascaded quantum system is studied. Using the quantum trajectory method, we calculate and simulate the photon number distributions out of a two-cavity system. A high quality single-photon source can be achieved through optimizing parameters. The designed photon source is further applied to the decoy state quantum key distribution (QKD). With and without statistical fluctuation, the key rate can be both raised drastically.
format	article
author	Ao Li Yiheng Zhou Xiang-Bin Wang
author_facet	Ao Li Yiheng Zhou Xiang-Bin Wang
author_sort	Ao Li
title	Cascaded Kerr photon-blockade sources and applications in quantum key distribution
title_short	Cascaded Kerr photon-blockade sources and applications in quantum key distribution
title_full	Cascaded Kerr photon-blockade sources and applications in quantum key distribution
title_fullStr	Cascaded Kerr photon-blockade sources and applications in quantum key distribution
title_full_unstemmed	Cascaded Kerr photon-blockade sources and applications in quantum key distribution
title_sort	cascaded kerr photon-blockade sources and applications in quantum key distribution
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/39ff4953db124880ac9c93fce4280b99
work_keys_str_mv	AT aoli cascadedkerrphotonblockadesourcesandapplicationsinquantumkeydistribution AT yihengzhou cascadedkerrphotonblockadesourcesandapplicationsinquantumkeydistribution AT xiangbinwang cascadedkerrphotonblockadesourcesandapplicationsinquantumkeydistribution
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Cascaded Kerr photon-blockade sources and applications in quantum key distribution

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