True photocounting statistics of multiple on-off detectors

J. Sperling, W. Vogel, and G. S. Agarwal
Phys. Rev. A 85, 023820 – Published 17 February 2012

Abstract

We derive a closed photocounting formula, including noise counts and a finite quantum efficiency, for photon-number-resolving detectors based on on-off detectors. It applies to detection schemes such as array detectors and multiplexing setups. The result renders it possible to compare the corresponding measured counting statistics with the true photon number statistics of arbitrary quantum states. The photocounting formula is applied to the discrimination of photon numbers of Fock states, squeezed states, and odd coherent states. It is illustrated for coherent states that our formula is indispensable for the correct interpretation of quantum effects observed with such devices.

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  • Received 10 November 2011

DOI:https://doi.org/10.1103/PhysRevA.85.023820

©2012 American Physical Society

Authors & Affiliations

J. Sperling* and W. Vogel

  • Arbeitsgruppe Quantenoptik, Institut für Physik, Universität Rostock, D-18051 Rostock, Germany

G. S. Agarwal

  • Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078, USA

  • *jan.sperling2@uni-rostock.de

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Vol. 85, Iss. 2 — February 2012

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