Photon-number correlations by photon-number resolving detectors

被引:37
|
作者
Allevi, Alessia [2 ]
Bondani, Maria [1 ]
Andreoni, Alessandra [3 ,4 ]
机构
[1] CNR, Ist Foton & Nanotecnol, I-22100 Como, Italy
[2] UDR Milano, CNISM, I-20133 Milan, Italy
[3] Univ Insubria, Dipartimento Matemat & Fis, I-22100 Como, Italy
[4] UDR Como, CNISM, I-22100 Como, Italy
关键词
LIGHT STATISTICS; BEAMS;
D O I
10.1364/OL.35.001707
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We demonstrate that by using pairs of photodetectors endowed with internal gain we are able to quantify the photon-number correlation coefficient between the two components of a pulsed bipartite state in the "mesoscopic" intensity regime (less than 100 mean photons). We compare the performances of hybrid photoemissive detectors to those of multipixel silicon photon counters and demonstrate that the absence of significant noise allows the evaluation of the variance of the distribution of the differences in photon numbers, and hence of the shot-noise level, without any correction. (C) 2010 Optical Society of America
引用
收藏
页码:1707 / 1709
页数:3
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