Double-Fock superposition interferometry for differential diagnosis of decoherence

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dc.contributor.authorTichy, Malte C.ko
dc.contributor.authorRa, Young-Sikko
dc.contributor.authorLim, Hyang-Tagko
dc.contributor.authorGneiting, Clemensko
dc.contributor.authorKim, Yoon-Hoko
dc.contributor.authorMolmer, Klausko
dc.date.accessioned2018-12-20T01:50:26Z-
dc.date.available2018-12-20T01:50:26Z-
dc.date.created2018-11-26-
dc.date.created2018-11-26-
dc.date.created2018-11-26-
dc.date.issued2015-01-
dc.identifier.citationNEW JOURNAL OF PHYSICS, v.17, pp.023008-
dc.identifier.issn1367-2630-
dc.identifier.urihttp://hdl.handle.net/10203/247186-
dc.description.abstractInterferometric signals are degraded by decoherence, which encompasses dephasing, mixing and any distinguishing which-path information. These three paradigmatic processes are fundamentally different, but, for coherent, single-photon and N00N-states, they degrade interferometric visibility in the very same way, which impedes the diagnosis of the cause for reduced visibility in a single experiment. We introduce a versatile formalism for many-boson interferometry based on double-sided Feynman diagrams, which we apply to a protocol for differential decoherence diagnosis: twin-Fock states vertical bar N, N > with N >= 2 reveal to what extent decoherence is due to path distinguishability or to mixing, while double-Fock superpositions vertical bar N: M > = (vertical bar N, M > + vertical bar M, N >)/root 2 with N > M > 0 additionally witness the degree of dephasing. Hence, double-Fock superposition interferometry permits the differential diagnosis of decoherence processes in a single experiment, indispensable for the assessment of interferometers.-
dc.languageEnglish-
dc.publisherIOP PUBLISHING LTD-
dc.titleDouble-Fock superposition interferometry for differential diagnosis of decoherence-
dc.typeArticle-
dc.identifier.wosid000352864600008-
dc.identifier.scopusid2-s2.0-84923256867-
dc.type.rimsART-
dc.citation.volume17-
dc.citation.beginningpage023008-
dc.citation.publicationnameNEW JOURNAL OF PHYSICS-
dc.identifier.doi10.1088/1367-2630/17/2/023008-
dc.contributor.localauthorRa, Young-Sik-
dc.contributor.nonIdAuthorTichy, Malte C.-
dc.contributor.nonIdAuthorLim, Hyang-Tag-
dc.contributor.nonIdAuthorGneiting, Clemens-
dc.contributor.nonIdAuthorKim, Yoon-Ho-
dc.contributor.nonIdAuthorMolmer, Klaus-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthordecoherence-
dc.subject.keywordAuthorentangled states-
dc.subject.keywordAuthorinterferometry-
dc.subject.keywordAuthornon-classical states of photons-
dc.subject.keywordAuthorphoton counting and statistics-
dc.subject.keywordPlusQUANTUM INTERFERENCE-
dc.subject.keywordPlusOPTICAL-PHASE-
dc.subject.keywordPlusLIMIT-
dc.subject.keywordPlusENTANGLEMENT-
dc.subject.keywordPlusMOLECULES-
dc.subject.keywordPlusPHOTONS-
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