Absolute measurement of photodetector quantum efficiency based on spontaneous parametric down-conversion biphoton field

Liqun Sun; Yanpeng Zhang; Tiantong Tang; Zhaojin Yang; Xiqi Hou

doi:10.1117/12.368497

4 November 1999 Absolute measurement of photodetector quantum efficiency based on spontaneous parametric down-conversion biphoton field

Liqun Sun, Yanpeng Zhang, Tiantong Tang, Zhaojin Yang, Xiqi Hou

Author Affiliations +

Proceedings Volume 3898, Photonic Systems and Applications in Defense and Manufacturing; (1999) https://doi.org/10.1117/12.368497
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

A new method of absolute measurement of photodetector quantum efficiency based on spontaneous parametric down- conversion (SPDC) biphoton field is discussed. The process of SPDC is studied theoretically. The single photon detection probability and two-photon coincidence probability are derived and the measurement principle of photodetectors is explained. An experimental system has been set up. The quantum efficiency of a photon-counting photomultiplier tube was measured, and the results were compared with that obtained using conventional method.

Citation Download Citation

Liqun Sun, Yanpeng Zhang, Tiantong Tang, Zhaojin Yang, and Xiqi Hou "Absolute measurement of photodetector quantum efficiency based on spontaneous parametric down-conversion biphoton field", Proc. SPIE 3898, Photonic Systems and Applications in Defense and Manufacturing, (4 November 1999); https://doi.org/10.1117/12.368497

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