Entangled Fock states for Robust Quantum Optical Metrology, Imaging, and Sensing

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dc.creatorHuver, Sean D.
dc.creatorWildfeuer, Christoph F.
dc.creatorDowling, Jonathan P.
dc.date2008-05-02
dc.date2008-08-15
dc.date.accessioned2026-07-07T12:51:45Z
dc.date.available2026-07-07T12:51:45Z
dc.descriptionWe propose a class of path-entangled photon Fock states for robust quantum optical metrology, imaging, and sensing in the presence of loss. We model propagation loss with beam-splitters and derive a reduced density matrix formalism from which we examine how photon loss affects coherence. It is shown that particular entangled number states, which contain a special superposition of photons in both arms of a Mach-Zehnder interferometer, are resilient to environmental decoherence. We demonstrate an order of magnitude greater visibility with loss, than possible with N00N states. We also show that the effectiveness of a detection scheme is related to super-resolution visibility.
dc.description4 pages, 5 figures, extended introduction and minor revisions
dc.identifierhttps://arxiv.org/abs/0805.0296
dc.identifierhttp://arxiv.org/abs/0805.0296
dc.identifierPhys. Rev. A 78, 063828 (2008)
dc.identifierdoi:10.1103/PhysRevA.78.063828
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/223090
dc.subjectQuantum Physics
dc.titleEntangled Fock states for Robust Quantum Optical Metrology, Imaging, and Sensing
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