Canonical Phase Measurements in the Presence of Photon Loss

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dc.creatorChiruvelli, Aravind
dc.creatorLee, Hwang
dc.date2008-11-17
dc.date2009-01-07
dc.date.accessioned2026-07-07T12:25:47Z
dc.date.available2026-07-07T12:25:47Z
dc.descriptionWe analyze the optimal state, as given by Berry and Wiseman [Phys. Rev. Lett {\bf 85}, 5098, (2000)], under the canonical phase measurement in the presence of photon loss. The model of photon loss is a generic fictitious beam splitter, and we present the full density matrix calculations, which are more direct and do not involve any approximations. We find for a given amount of loss the upper bound for the input photon number that yields a sub-shot noise estimate.
dc.description5 pages, 3 figures, Submitted to PRA. Rewritten as per the comments of referee. More references added. Comments welcome
dc.identifierhttps://arxiv.org/abs/0811.2780
dc.identifierhttp://arxiv.org/abs/0811.2780
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214680
dc.subjectQuantum Physics
dc.titleCanonical Phase Measurements in the Presence of Photon Loss
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