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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 14 — Jul. 6, 2009
  • pp: 11799–11812

Photostatistics Reconstruction via Loop Detector Signatures.

J. G. Webb and E. H. Huntington  »View Author Affiliations

Optics Express, Vol. 17, Issue 14, pp. 11799-11812 (2009)

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Photon-number resolving detectors are a fundamental building-block of optical quantum information processing protocols. A loop detector, combined with appropriate statistical processing, can be used to convert a binary on/off photon counter into a photon-number-resolving detector. Here we describe the idea of a signature of photon-counts, which may be used to more robustly reconstruct the photon number distribution of a quantum state. The methodology is applied experimentally in a 9-port loop detector operating at a telecommunications wavelength and compared directly to the approach whereby only the number of photon-counts is used to reconstruct the input distribution. The signature approach is shown to be more robust against calibration errors, exhibit reduced statistical uncertainty, and reduced reliance on a-priori assumptions about the input state.

© 2009 Optical Society of America

OCIS Codes
(040.1880) Detectors : Detection
(270.5290) Quantum optics : Photon statistics

ToC Category:

Original Manuscript: April 28, 2009
Revised Manuscript: June 18, 2009
Manuscript Accepted: June 19, 2009
Published: June 29, 2009

J. G. Webb and E. H. Huntington, "Photostatistics reconstruction via loop detector signatures," Opt. Express 17, 11799-11812 (2009)

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