Semiclassical Theory of Light Detection in the Presence of Feedback

J. H. Shapiro, M. C. Teich, B. E. A. Saleh, P. Kumar, G. Saplakoglu

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

The usual open-loop semiclassical theory of light detection is extended to include closed-loop operation in which there is feedback from the detector to the source. The revised theory takes the form of a self-exciting point process. It admits photocount statistics that are associated with non-classical light in open-loop configurations, e.g., sub-shot-noise spectra and sub-Poisson photocounts. The extended theory is used to explain two recent closed-loop experiments in which sub-Poisson photocount statistics were produced.
Original languageEnglish
Pages (from-to)1136-1139
JournalPhysical Review Letters
Volume56
DOIs
StatePublished - 1986

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