Experimental Demonstration of Four-Dimensional Photonic Spatial Entanglement between Multi-core Optical Fibres

Abstract Fibre transport of multi-dimensional photonic quantum states promises high information capacity per photon without space restriction. This work experimentally demonstrates transmission of spatial ququarts through multi-core optical fibres and measurement of the entanglement between two fibr...

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Autores principales:	Hee Jung Lee, Sang-Kyung Choi, Hee Su Park
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/93dfbe7fcce1430b90c495351abf8a92
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spelling	oai:doaj.org-article:93dfbe7fcce1430b90c495351abf8a922021-12-02T15:06:21ZExperimental Demonstration of Four-Dimensional Photonic Spatial Entanglement between Multi-core Optical Fibres10.1038/s41598-017-04444-82045-2322https://doaj.org/article/93dfbe7fcce1430b90c495351abf8a922017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04444-8https://doaj.org/toc/2045-2322Abstract Fibre transport of multi-dimensional photonic quantum states promises high information capacity per photon without space restriction. This work experimentally demonstrates transmission of spatial ququarts through multi-core optical fibres and measurement of the entanglement between two fibres with quantum state analyzers, each composed of a spatial light modulator and a single-mode fibre. Quantum state tomography reconstructs the four-dimension entangled state that verifies the nonlocality through concurrences in two-dimensional subspaces, a lower bound of four-dimensional concurrence and a Bell-type CGLMP inequality.Hee Jung LeeSang-Kyung ChoiHee Su ParkNature 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 Hee Jung Lee Sang-Kyung Choi Hee Su Park Experimental Demonstration of Four-Dimensional Photonic Spatial Entanglement between Multi-core Optical Fibres
description	Abstract Fibre transport of multi-dimensional photonic quantum states promises high information capacity per photon without space restriction. This work experimentally demonstrates transmission of spatial ququarts through multi-core optical fibres and measurement of the entanglement between two fibres with quantum state analyzers, each composed of a spatial light modulator and a single-mode fibre. Quantum state tomography reconstructs the four-dimension entangled state that verifies the nonlocality through concurrences in two-dimensional subspaces, a lower bound of four-dimensional concurrence and a Bell-type CGLMP inequality.
format	article
author	Hee Jung Lee Sang-Kyung Choi Hee Su Park
author_facet	Hee Jung Lee Sang-Kyung Choi Hee Su Park
author_sort	Hee Jung Lee
title	Experimental Demonstration of Four-Dimensional Photonic Spatial Entanglement between Multi-core Optical Fibres
title_short	Experimental Demonstration of Four-Dimensional Photonic Spatial Entanglement between Multi-core Optical Fibres
title_full	Experimental Demonstration of Four-Dimensional Photonic Spatial Entanglement between Multi-core Optical Fibres
title_fullStr	Experimental Demonstration of Four-Dimensional Photonic Spatial Entanglement between Multi-core Optical Fibres
title_full_unstemmed	Experimental Demonstration of Four-Dimensional Photonic Spatial Entanglement between Multi-core Optical Fibres
title_sort	experimental demonstration of four-dimensional photonic spatial entanglement between multi-core optical fibres
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/93dfbe7fcce1430b90c495351abf8a92
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Experimental Demonstration of Four-Dimensional Photonic Spatial Entanglement between Multi-core Optical Fibres

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