Show simple item record

Quantum-Enhanced Optical-Phase Tracking

dc.contributor.authorYonezawa, Hidehiro
dc.contributor.authorNakane, Daisuke
dc.contributor.authorWheatley, Trevor A
dc.contributor.authorIwasawa, Kohjiro
dc.contributor.authorTakeda, Shuntaro
dc.contributor.authorArao, Hajime
dc.contributor.authorOhki, Kentaro
dc.contributor.authorTsumura, Koji
dc.contributor.authorBerry, Dominic W
dc.contributor.authorRalph, Timothy C
dc.contributor.authorWiseman, Howard M
dc.contributor.authorHuntington, Elanor H
dc.contributor.authorFurusawa, Akira
dc.date.accessioned2018-03-28T01:30:25Z
dc.date.available2018-03-28T01:30:25Z
dc.date.issued2012
dc.date.modified2014-10-07T23:46:43Z
dc.identifier.issn0036-8075
dc.identifier.doi10.1126/science.1225258
dc.identifier.urihttp://hdl.handle.net/10072/48616
dc.description.abstractTracking a randomly varying optical phase is a key task in metrology, with applications in optical communication. The best precision for optical-phase tracking has until now been limited by the quantum vacuum fluctuations of coherent light. Here, we surpass this coherent-state limit by using a continuous-wave beam in a phase-squeezed quantum state. Unlike in previous squeezing-enhanced metrology, restricted to phases with very small variation, the best tracking precision (for a fixed light intensity) is achieved for a finite degree of squeezing because of Heisenberg's uncertainty principle. By optimizing the squeezing, we track the phase with a mean square error 15 ᠴ% below the coherent-state limit.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.format.extent740539 bytes
dc.format.mimetypeapplication/pdf
dc.languageEnglish
dc.language.isoeng
dc.publisherAmerican Association for the Advancement of Science
dc.publisher.placeUnited States
dc.relation.ispartofstudentpublicationN
dc.relation.ispartofpagefrom1514
dc.relation.ispartofpageto1517
dc.relation.ispartofissue6101
dc.relation.ispartofjournalScience
dc.relation.ispartofvolume337
dc.rights.retentionY
dc.subject.fieldofresearchQuantum optics and quantum optomechanics
dc.subject.fieldofresearchcode510804
dc.titleQuantum-Enhanced Optical-Phase Tracking
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.rights.copyright© The Author(s) 2012. This is the author's version of the work. It is posted here by permission of the AAAS for personal use, not for redistribution. The definitive version was published in Science on Vol. 337, 21 September 2012, DOI: dx.doi.org/10.1126/science.1225258.
gro.date.issued2012
gro.hasfulltextFull Text
gro.griffith.authorWiseman, Howard M.


Files in this item

Name:
80882_1.pdf
Size:
723.1Kb
Format:
PDF
View/Open

This item appears in the following Collection(s)

  • Journal articles
    Contains articles published by Griffith authors in scholarly journals.

Show simple item record