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Article: Entanglement swapping with independent sources over an optical-fiber network

TitleEntanglement swapping with independent sources over an optical-fiber network
Authors
Issue Date2017
Citation
Physical Review A, 2017, v. 95, n. 3, article no. 032306 How to Cite?
AbstractEstablishing entanglement between two remote systems by the method of entanglement swapping is an essential step for a long-distance quantum network. Here we report a field-test entanglement swapping experiment with two independent telecommunication band entangled photon-pair sources over an optical fiber network in Hefei. The two sources are located at two nodes that are 12.5km apart and the Bell-state measurement is performed at a third location which is connected to the two source nodes with 14.7-km and 10.6-km optical fibers, respectively. The observed average visibility is 79.9±4.8%, which is sufficient for the violation of Bell inequalities. Furthermore, with the swapped entanglement, we demonstrate a source-independent quantum key distribution, which is also immune to any detection attacks at the measurement site.
Persistent Identifierhttp://hdl.handle.net/10722/315271
ISSN
2023 Impact Factor: 2.6
2023 SCImago Journal Rankings: 1.081
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSun, Qi Chao-
dc.contributor.authorMao, Ya Li-
dc.contributor.authorJiang, Yang Fan-
dc.contributor.authorZhao, Qi-
dc.contributor.authorChen, Si Jing-
dc.contributor.authorZhang, Wei-
dc.contributor.authorZhang, Wei Jun-
dc.contributor.authorJiang, Xiao-
dc.contributor.authorChen, Teng Yun-
dc.contributor.authorYou, Li Xing-
dc.contributor.authorLi, Li-
dc.contributor.authorHuang, Yi Dong-
dc.contributor.authorChen, Xian Feng-
dc.contributor.authorWang, Zhen-
dc.contributor.authorMa, Xiongfeng-
dc.contributor.authorZhang, Qiang-
dc.contributor.authorPan, Jian Wei-
dc.date.accessioned2022-08-05T10:18:16Z-
dc.date.available2022-08-05T10:18:16Z-
dc.date.issued2017-
dc.identifier.citationPhysical Review A, 2017, v. 95, n. 3, article no. 032306-
dc.identifier.issn2469-9926-
dc.identifier.urihttp://hdl.handle.net/10722/315271-
dc.description.abstractEstablishing entanglement between two remote systems by the method of entanglement swapping is an essential step for a long-distance quantum network. Here we report a field-test entanglement swapping experiment with two independent telecommunication band entangled photon-pair sources over an optical fiber network in Hefei. The two sources are located at two nodes that are 12.5km apart and the Bell-state measurement is performed at a third location which is connected to the two source nodes with 14.7-km and 10.6-km optical fibers, respectively. The observed average visibility is 79.9±4.8%, which is sufficient for the violation of Bell inequalities. Furthermore, with the swapped entanglement, we demonstrate a source-independent quantum key distribution, which is also immune to any detection attacks at the measurement site.-
dc.languageeng-
dc.relation.ispartofPhysical Review A-
dc.titleEntanglement swapping with independent sources over an optical-fiber network-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevA.95.032306-
dc.identifier.scopuseid_2-s2.0-85014665666-
dc.identifier.volume95-
dc.identifier.issue3-
dc.identifier.spagearticle no. 032306-
dc.identifier.epagearticle no. 032306-
dc.identifier.eissn2469-9934-
dc.identifier.isiWOS:000395981900004-

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