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dc.contributor.authorRehman, Junaid ur-
dc.contributor.authorHong, Seongjin-
dc.contributor.authorLee, Seung-Woo-
dc.contributor.authorKim, Yong-Su-
dc.contributor.authorCho, Young Wook-
dc.contributor.authorJung, Hojoong-
dc.contributor.authorMoon, Sung-
dc.contributor.authorShin, Hyundong-
dc.contributor.authorHan, Sang-Wook-
dc.contributor.authorLim, Hyang-Tag-
dc.date.accessioned2024-01-19T11:03:33Z-
dc.date.available2024-01-19T11:03:33Z-
dc.date.created2022-10-20-
dc.date.issued2022-09-
dc.identifier.issn2469-9926-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/114557-
dc.description.abstractQuantum multiple parameter estimation can achieve an enhanced sensitivity beyond the classical limit. Although a theoretical ultimate sensitivity bound for multiple phase estimation is given by the quantum Cramer -Rao bound (QCRB), experimental implementations to saturate the QCRB typically require an impractical setup including entangled measurements. Since it is experimentally challenging to implement an entangled measurement, the practical sensitivity is given by the Cramer-Rao bound (CRB) relevant to the measurement probabilities. Here, we consider the problem of practical sensitivity bound for multiple phase estimation with quantum probe states and a measurement setup without entanglement, which consists of a beam splitter followed by the photon-number-resolving measurement. In this practical measurement scheme, we show that lower CRB can be achieved with a quantum probe state even with higher QCRB.-
dc.languageEnglish-
dc.publisherAmerican Physical Society-
dc.titleOptimal strategy for multiple-phase estimation under practical measurement with multimode NOON states-
dc.typeArticle-
dc.identifier.doi10.1103/PhysRevA.106.032612-
dc.description.journalClass1-
dc.identifier.bibliographicCitationPhysical Review A, v.106, no.3-
dc.citation.titlePhysical Review A-
dc.citation.volume106-
dc.citation.number3-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000863088400005-
dc.relation.journalWebOfScienceCategoryOptics-
dc.relation.journalWebOfScienceCategoryPhysics, Atomic, Molecular & Chemical-
dc.relation.journalResearchAreaOptics-
dc.relation.journalResearchAreaPhysics-
dc.type.docTypeArticle-
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KIST Article > 2022
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