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Article: Robust Self-Testing of Multiparticle Entanglement

TitleRobust Self-Testing of Multiparticle Entanglement
Authors
Issue Date2021
Citation
Physical Review Letters, 2021, v. 127, n. 23, article no. A182 How to Cite?
AbstractQuantum self-testing is a device-independent way to certify quantum states and measurements using only the input-output statistics, with minimal assumptions about the quantum devices. Because of the high demand on tolerable noise, however, experimental self-testing was limited to two-photon systems. Here, we demonstrate the first robust self-testing for multiphoton genuinely entangled quantum states. We prepare two examples of four-photon graph states, the Greenberger-Horne-Zeilinger states with a fidelity of 0.957(2) and the linear cluster states with a fidelity of 0.945(2). Based on the observed input-output statistics, we certify the genuine four-photon entanglement and further estimate their qualities with respect to realistic noise in a device-independent manner.
Persistent Identifierhttp://hdl.handle.net/10722/315374
ISSN
2023 Impact Factor: 8.1
2023 SCImago Journal Rankings: 3.040
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWu, Dian-
dc.contributor.authorZhao, Qi-
dc.contributor.authorGu, Xue Mei-
dc.contributor.authorZhong, Han Sen-
dc.contributor.authorZhou, You-
dc.contributor.authorPeng, Li Chao-
dc.contributor.authorQin, Jian-
dc.contributor.authorLuo, Yi Han-
dc.contributor.authorChen, Kai-
dc.contributor.authorLi, Li-
dc.contributor.authorLiu, Nai Le-
dc.contributor.authorLu, Chao Yang-
dc.contributor.authorPan, Jian Wei-
dc.date.accessioned2022-08-05T10:18:39Z-
dc.date.available2022-08-05T10:18:39Z-
dc.date.issued2021-
dc.identifier.citationPhysical Review Letters, 2021, v. 127, n. 23, article no. A182-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/315374-
dc.description.abstractQuantum self-testing is a device-independent way to certify quantum states and measurements using only the input-output statistics, with minimal assumptions about the quantum devices. Because of the high demand on tolerable noise, however, experimental self-testing was limited to two-photon systems. Here, we demonstrate the first robust self-testing for multiphoton genuinely entangled quantum states. We prepare two examples of four-photon graph states, the Greenberger-Horne-Zeilinger states with a fidelity of 0.957(2) and the linear cluster states with a fidelity of 0.945(2). Based on the observed input-output statistics, we certify the genuine four-photon entanglement and further estimate their qualities with respect to realistic noise in a device-independent manner.-
dc.languageeng-
dc.relation.ispartofPhysical Review Letters-
dc.titleRobust Self-Testing of Multiparticle Entanglement-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevLett.127.230503-
dc.identifier.pmid34936806-
dc.identifier.scopuseid_2-s2.0-85121100104-
dc.identifier.volume127-
dc.identifier.issue23-
dc.identifier.spagearticle no. A182-
dc.identifier.epagearticle no. A182-
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000728930500001-

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