Measurement of quantum efficiency using correlated photon pairs and a single-detector technique

A new approach is proposed to the calibration of photodetectors and the determination of the absolute value of the quantum efficiency of photon-counting photomultipliers using entangled-photon pairs. It is based on a new single-photodetector technique and a special modulation of the entangled-photon...

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Bibliographic Details
Published in:Metrologia 2000-10, Vol.37 (5), p.617-620
Main Authors: Czitrovszky, A, Sergienko, A, Jani, P, Nagy, A
Format: Article
Language:English
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Summary:A new approach is proposed to the calibration of photodetectors and the determination of the absolute value of the quantum efficiency of photon-counting photomultipliers using entangled-photon pairs. It is based on a new single-photodetector technique and a special modulation of the entangled-photon flux. The absolute values of the quantum efficiency have been determined for several photon-counting photomultipliers.
ISSN:0026-1394
DOI:10.1088/0026-1394/37/5/62