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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 16 — Aug. 15, 2006
  • pp: 2441–2443

Absolute self-calibration of the quantum efficiency of single-photon detectors

Xi-Hao Chen, Yan-Hua Zhai, Da Zhang, and Ling-An Wu  »View Author Affiliations


Optics Letters, Vol. 31, Issue 16, pp. 2441-2443 (2006)
http://dx.doi.org/10.1364/OL.31.002441


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Abstract

Single-photon detectors are finding increasingly wide application in all branches of science and technology thus a precise knowledge of their quantum efficiency is an essential prerequisite. We have performed the first proof-of-principle demonstration of a means to determine the quantum efficiency by which no second detector or reference standard is required. This absolute self-calibration method is based on the time correlation of entangled photons pairs emitted in spontaneous parametric down conversion. The measured quantum efficiency of a Si avalanche photodiode single-photon detector agrees well with the product specifications.

© 2006 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3940) Instrumentation, measurement, and metrology : Metrology

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: February 27, 2006
Revised Manuscript: May 9, 2006
Manuscript Accepted: May 13, 2006
Published: July 25, 2006

Citation
Xi-Hao Chen, Yan-Hua Zhai, Da Zhang, and Ling-An Wu, "Absolute self-calibration of the quantum efficiency of single-photon detectors," Opt. Lett. 31, 2441-2443 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-16-2441

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