Single-photon detector calibration by means of conditional polarization rotation

被引：33
作者：
Brida, G
Genovese, M
Gramegna, M
Rastello, ML
Chekhova, M
Krivitsky, L
机构：
[1] Ist Elettrotecnico Nazl Galileo Ferraris, I-10135 Turin, Italy
[2] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119992, Russia
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2005年 / 22卷 / 02期
关键词：
D O I：
10.1364/JOSAB.22.000488
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 90degrees 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. (C) 2005 Optical Society of America.
引用
收藏
页码：488 / 492
页数：5
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