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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 22, Iss. 2 — Feb. 1, 2005
  • pp: 488–492

Single-photon detector calibration by means of conditional polarization rotation

Giorgio Brida, Marco Genovese, Marco Gramegna, Maria Luisa Rastello, Maria Chekhova, and Leonid Krivitsky  »View Author Affiliations


JOSA B, Vol. 22, Issue 2, pp. 488-492 (2005)
http://dx.doi.org/10.1364/JOSAB.22.000488


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Abstract

We propose a new scheme for measuring the quantum efficiency of a single-photon detection apparatus by using polarization-entangled states. The scheme consists of measuring the polarization of a member of a polarization-entangled pair after a 90° polarization rotation conditional on the detection of the correlated photon after polarization selection. We present experimental results obtained with this scheme compared with traditional biphoton calibration. Our results show the interesting potentiality of the suggested scheme.

© 2005 Optical Society of America

OCIS Codes
(040.5160) Detectors : Photodetectors
(120.1880) Instrumentation, measurement, and metrology : Detection
(270.5570) Quantum optics : Quantum detectors

Citation
Giorgio Brida, Marco Genovese, Marco Gramegna, Maria Luisa Rastello, Maria Chekhova, and Leonid Krivitsky, "Single-photon detector calibration by means of conditional polarization rotation," J. Opt. Soc. Am. B 22, 488-492 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-2-488

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