Operational Theory of the Eight-Port Homodyne Detection

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dc.creatorKochanski, Piotr
dc.creatorWodkiewicz, Krzysztof
dc.date1996-11-21
dc.date.accessioned2026-07-07T06:14:03Z
dc.date.available2026-07-07T06:14:03Z
dc.descriptionThe eight-port homodyne detection apparatus is analyzed in the framework of the operational theory of quantum measurement. For an arbitrary quantum noise leaking through the unused port of the beam splitter, the positive operator valued measure and the corresponding operational homodyne observables are derived. It is shown that such an eight-port homodyne device can be used to construct the operational quantum trigonometry of an optical field. The quantum trigonometry and the corresponding phase space Wigner functions are derived for a signal field probed by a classical local oscillator and a squeezed vacuum in the unused port.
dc.description18 pages, uses Revtex and epsfig.sty, 4 Encapsulated Postscript figures, submitted to J. Mod. Opt
dc.identifierhttps://arxiv.org/abs/quant-ph/9611036
dc.identifierhttp://arxiv.org/abs/quant-ph/9611036
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/93322
dc.subjectQuantum Physics
dc.titleOperational Theory of the Eight-Port Homodyne Detection
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