Operational formulation of homodyne detection

Tomáš Tyc, Barry C SANDERS

Research output: Contribution to journalArticle

26 Citations (Scopus)


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
Issue number29
Publication statusPublished - 2004

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