Five-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal

Abstract We theoretically prove five-partite entanglement can be produced among modes of two simultaneously generated optical frequency combs via second-order nonlinear interaction in a designed periodically poled lithium niobat (PPLN) crystal. An extendible model is proposed to analyze the entangle...

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Autores principales:	Guangqiang He, Yu Sun, Linxi Hu, Renhui Zhang, Xikun Chen, Jindong Wang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/159bbc2971464c1f814907859dc961fe
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spelling	oai:doaj.org-article:159bbc2971464c1f814907859dc961fe2021-12-02T16:06:52ZFive-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal10.1038/s41598-017-09346-32045-2322https://doaj.org/article/159bbc2971464c1f814907859dc961fe2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-09346-3https://doaj.org/toc/2045-2322Abstract We theoretically prove five-partite entanglement can be produced among modes of two simultaneously generated optical frequency combs via second-order nonlinear interaction in a designed periodically poled lithium niobat (PPLN) crystal. An extendible model is proposed to analyze the entanglement characteristics of generated comb modes by applying van Loock and Furusawa criteria. Our proposal provides a potential approach for generating multipartite entangled states, the so-called cluster states, which are the key resources for quantum computation. Moreover, simultaneously generation of two entangled combs can provide much higher efficiency to generate cluster states.Guangqiang HeYu SunLinxi HuRenhui ZhangXikun ChenJindong WangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Guangqiang He Yu Sun Linxi Hu Renhui Zhang Xikun Chen Jindong Wang Five-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal
description	Abstract We theoretically prove five-partite entanglement can be produced among modes of two simultaneously generated optical frequency combs via second-order nonlinear interaction in a designed periodically poled lithium niobat (PPLN) crystal. An extendible model is proposed to analyze the entanglement characteristics of generated comb modes by applying van Loock and Furusawa criteria. Our proposal provides a potential approach for generating multipartite entangled states, the so-called cluster states, which are the key resources for quantum computation. Moreover, simultaneously generation of two entangled combs can provide much higher efficiency to generate cluster states.
format	article
author	Guangqiang He Yu Sun Linxi Hu Renhui Zhang Xikun Chen Jindong Wang
author_facet	Guangqiang He Yu Sun Linxi Hu Renhui Zhang Xikun Chen Jindong Wang
author_sort	Guangqiang He
title	Five-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal
title_short	Five-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal
title_full	Five-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal
title_fullStr	Five-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal
title_full_unstemmed	Five-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal
title_sort	five-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/159bbc2971464c1f814907859dc961fe
work_keys_str_mv	AT guangqianghe fivepartiteentanglementgenerationbetweentwoopticalfrequencycombsinaquasiperiodicch2nonlinearopticalcrystal AT yusun fivepartiteentanglementgenerationbetweentwoopticalfrequencycombsinaquasiperiodicch2nonlinearopticalcrystal AT linxihu fivepartiteentanglementgenerationbetweentwoopticalfrequencycombsinaquasiperiodicch2nonlinearopticalcrystal AT renhuizhang fivepartiteentanglementgenerationbetweentwoopticalfrequencycombsinaquasiperiodicch2nonlinearopticalcrystal AT xikunchen fivepartiteentanglementgenerationbetweentwoopticalfrequencycombsinaquasiperiodicch2nonlinearopticalcrystal AT jindongwang fivepartiteentanglementgenerationbetweentwoopticalfrequencycombsinaquasiperiodicch2nonlinearopticalcrystal
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Five-partite entanglement generation between two optical frequency combs in a quasi-periodic χ (2) nonlinear optical crystal

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