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dc.contributor.authorCarrasco, Sergio
dc.contributor.authorOrszag, Miguel [Ctr Opt & Informac Cuant, Univ Mayor, Chile]
dc.date.accessioned2021-02-05T21:38:18Z
dc.date.available2021-02-05T21:38:18Z
dc.date.issued2019-02-25
dc.identifier.citationCarrasco, S., & Orszag, M. (2019). Fisher Information, Weak Values and Correlated Noise in Interferometry. arXiv preprint arXiv:1902.09247.es
dc.identifier.urihttp://repositorio.umayor.cl/xmlui/handle/sibum/7347
dc.identifier.urihttps://arxiv.org/pdf/1902.09247.pdf
dc.description.abstractIn this article we present an experimental proposal for quantum enhanced estimation of optomechanical parameters. The precision of the estimation is improved by using the technique of weak value amplification, which can enlarge the radiation pressure effect of a single-photon on a nano/micro mechanical oscillator. This task is accomplished by using two interferometric setups. Single-photon pulses are sent through one interferometer, producing a maximally path entangled state which drives the cavity optomechanical system. The photons are then postselected in one of the detectors in the output. A second interferometer, whose operation is triggered by every successful postselection, performs an optical measurement of the phase shift generated by the optomechanical system on a classical beam, which encodes the information of the optomechanical parameters. In the presence of fully time-correlated noise, we show that the Fisher information is improved as compared to a standard measurement that employs no postselection.es
dc.description.sponsorshipWe thank the financial support of Conicyt with the project Fondecyt #1180175es
dc.format.extent9 p., PDFes
dc.language.isoen_USes
dc.publisherCornell Universityes
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Chilees
dc.sourcearXiv preprint arXiv:1902.09247
dc.subjectQuantum Physicses
dc.titleFisher Information, Weak Values and Correlated Noise in Interferometryes
dc.typeArtículo o Paperes
umayor.facultadCIENCIAS
umayor.indizadorCOTes


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