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dc.contributor.authorMassel, Francesco
dc.date.accessioned2019-08-23T10:25:13Z
dc.date.available2019-08-23T10:25:13Z
dc.date.issued2019
dc.identifier.citationMassel, F. (2019). Backaction-evading measurement of entanglement in optomechanics. <i>Physical Review A</i>, <i>100</i>(2), Article 023824. <a href="https://doi.org/10.1103/PhysRevA.100.023824" target="_blank">https://doi.org/10.1103/PhysRevA.100.023824</a>
dc.identifier.otherCONVID_32303736
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/65282
dc.description.abstractWe propose here a fully backaction-evading scheme for the measurement of the entanglement between two nanomechanical resonators. The system, which consists of two mechanical oscillators, coupled to a single mode of an electromagnetic resonant cavity through a radiation-pressure interaction term, is driven by two pump tones and four detection tones. As previously discussed in the literature, the former induce entanglement between the two mechanical oscillators, while we show here that a specific choice of phase and amplitude of the detection tones allows for direct pairwise reconstruction of the collective quadrature fluctuations of the mechanical oscillators belonging to quantum-mechanics-free subspaces, thereby providing direct evidence of the entanglement properties of the two mechanical resonators.en
dc.format.mimetypeapplication/pdf
dc.languageeng
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.ispartofseriesPhysical Review A
dc.rightsIn Copyright
dc.subject.otherentanglement detection
dc.subject.otheroptomechanics
dc.titleBackaction-evading measurement of entanglement in optomechanics
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-201908233883
dc.contributor.laitosFysiikan laitosfi
dc.contributor.laitosDepartment of Physicsen
dc.contributor.oppiaineNanoscience Centerfi
dc.contributor.oppiaineNanoscience Centeren
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.description.reviewstatuspeerReviewed
dc.relation.issn2469-9926
dc.relation.numberinseries2
dc.relation.volume100
dc.type.versionpublishedVersion
dc.rights.copyright© 2019 American Physical Society
dc.rights.accesslevelopenAccessfi
dc.relation.grantnumber275245
dc.subject.ysonanorakenteet
dc.subject.ysokvanttimekaniikka
dc.subject.ysooskillaattorit
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p25315
jyx.subject.urihttp://www.yso.fi/onto/yso/p5563
jyx.subject.urihttp://www.yso.fi/onto/yso/p6393
dc.rights.urlhttp://rightsstatements.org/page/InC/1.0/?language=en
dc.relation.doi10.1103/PhysRevA.100.023824
dc.relation.funderSuomen Akatemiafi
dc.relation.funderAcademy of Finlanden
jyx.fundingprogramAkatemiatutkijan tehtävä, SAfi
jyx.fundingprogramResearch post as Academy Research Fellow, AoFen
jyx.fundinginformationThis work was supported by the Academy of Finland (Contract No. 275245).


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