Generation of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal

Abstract A compact scheme for the generation of path-polarization entangled photon pairs is proposed by using a quasi-periodic nonlinear photonic crystal to simultaneously accomplish four spontaneous parametric down-conversion processes. Moreover, we report experimental scheme to measure the polariz...

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Autores principales:	Guangqiang He, Chengrui Zhu, Yao Jiang, Jie Ren, Ying Guo, Jietai Jing
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fb6a25a8650c48e0b60d5959214f5324
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spelling	oai:doaj.org-article:fb6a25a8650c48e0b60d5959214f53242021-12-02T11:40:59ZGeneration of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal10.1038/s41598-017-05271-72045-2322https://doaj.org/article/fb6a25a8650c48e0b60d5959214f53242017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05271-7https://doaj.org/toc/2045-2322Abstract A compact scheme for the generation of path-polarization entangled photon pairs is proposed by using a quasi-periodic nonlinear photonic crystal to simultaneously accomplish four spontaneous parametric down-conversion processes. Moreover, we report experimental scheme to measure the polarization entanglement and path entanglement separately and theoretically get numerical results that verify some predictions about the hyperentanglement. This method can be expanded for the generation of multi-partite and two-photon path-polarization hyperentanglement in a single quasi-periodic nonlinear photonic crystal structure. This compact quantum light source can be used as a significant ingredient in quantum information science.Guangqiang HeChengrui ZhuYao JiangJie RenYing GuoJietai JingNature 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 Chengrui Zhu Yao Jiang Jie Ren Ying Guo Jietai Jing Generation of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal
description	Abstract A compact scheme for the generation of path-polarization entangled photon pairs is proposed by using a quasi-periodic nonlinear photonic crystal to simultaneously accomplish four spontaneous parametric down-conversion processes. Moreover, we report experimental scheme to measure the polarization entanglement and path entanglement separately and theoretically get numerical results that verify some predictions about the hyperentanglement. This method can be expanded for the generation of multi-partite and two-photon path-polarization hyperentanglement in a single quasi-periodic nonlinear photonic crystal structure. This compact quantum light source can be used as a significant ingredient in quantum information science.
format	article
author	Guangqiang He Chengrui Zhu Yao Jiang Jie Ren Ying Guo Jietai Jing
author_facet	Guangqiang He Chengrui Zhu Yao Jiang Jie Ren Ying Guo Jietai Jing
author_sort	Guangqiang He
title	Generation of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal
title_short	Generation of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal
title_full	Generation of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal
title_fullStr	Generation of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal
title_full_unstemmed	Generation of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal
title_sort	generation of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/fb6a25a8650c48e0b60d5959214f5324
work_keys_str_mv	AT guangqianghe generationofpathpolarizationhyperentanglementusingquasiphasematchinginquasiperiodicnonlinearphotoniccrystal AT chengruizhu generationofpathpolarizationhyperentanglementusingquasiphasematchinginquasiperiodicnonlinearphotoniccrystal AT yaojiang generationofpathpolarizationhyperentanglementusingquasiphasematchinginquasiperiodicnonlinearphotoniccrystal AT jieren generationofpathpolarizationhyperentanglementusingquasiphasematchinginquasiperiodicnonlinearphotoniccrystal AT yingguo generationofpathpolarizationhyperentanglementusingquasiphasematchinginquasiperiodicnonlinearphotoniccrystal AT jietaijing generationofpathpolarizationhyperentanglementusingquasiphasematchinginquasiperiodicnonlinearphotoniccrystal
_version_	1718395497522135040

Generation of path-polarization hyperentanglement using quasi-phase-matching in quasi-periodic nonlinear photonic crystal

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