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dc.contributor.authorHiggins, BL
dc.contributor.authorBooth, BM
dc.contributor.authorDoherty, AC
dc.contributor.authorBartlett, SD
dc.contributor.authorWiseman, HM
dc.contributor.authorPryde, GJ
dc.date.accessioned2017-05-03T15:07:58Z
dc.date.available2017-05-03T15:07:58Z
dc.date.issued2009
dc.date.modified2010-08-27T06:56:21Z
dc.identifier.issn0031-9007
dc.identifier.doi10.1103/PhysRevLett.103.220503
dc.identifier.urihttp://hdl.handle.net/10072/30947
dc.description.abstractWe present theory and experiment for the task of discriminating two nonorthogonal states, given multiple copies. We implement several local measurement schemes, on both pure states and states mixed by depolarizing noise. We find that schemes which are optimal (or have optimal scaling) without noise perform worse with noise than simply repeating the optimal single-copy measurement. Applying optimal control theory, we derive the globally optimal local measurement strategy, which outperforms all other local schemes, and experimentally implement it for various levels of noise.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.format.extent277526 bytes
dc.format.mimetypeapplication/pdf
dc.languageEnglish
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.publisher.placeUSA
dc.publisher.urihttp://prl.aps.org/
dc.relation.ispartofstudentpublicationN
dc.relation.ispartofpagefrom220503-1
dc.relation.ispartofpageto220503-4
dc.relation.ispartofissue22
dc.relation.ispartofjournalPhysical Review Letters
dc.relation.ispartofvolume103
dc.rights.retentionY
dc.subject.fieldofresearchMathematical sciences
dc.subject.fieldofresearchPhysical sciences
dc.subject.fieldofresearchQuantum information, computation and communication
dc.subject.fieldofresearchQuantum optics and quantum optomechanics
dc.subject.fieldofresearchEngineering
dc.subject.fieldofresearchcode49
dc.subject.fieldofresearchcode51
dc.subject.fieldofresearchcode510803
dc.subject.fieldofresearchcode510804
dc.subject.fieldofresearchcode40
dc.titleMixed State Discrimination Using Optimal Control
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.facultyGriffith Sciences, School of Natural Sciences
gro.rights.copyright© 2009 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
gro.date.issued2009
gro.hasfulltextFull Text
gro.griffith.authorWiseman, Howard M.
gro.griffith.authorPryde, Geoff


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