Operational formulation of homodyne detection

Tomáš Tyc, Barry C SANDERS

    Research output: Contribution to journalArticlepeer-review

    28 Citations (Scopus)

    Abstract

    We obtain the standard quadrature-phase positive operator-valued measure (POVM) for homodyne detection directly and rigorously from the POVM for photon counting without directly employing the mean field approximation for the local oscillator. In addition, we obtain correction terms for the quadrature-phase POVM that are applicable for relatively weak local oscillator field strengths and typical signal states.
    Original languageEnglish
    Pages (from-to)7341-7357
    Number of pages17
    JournalJournal of Physics A: Mathematical and General
    Volume37
    Issue number29
    DOIs
    Publication statusPublished - 2004

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