Simple and practical method of characterizing the parametric down-conversion source

被引：2
作者：
Wang, Dong [1 ,2 ]
Wu, Juan [1 ,2 ]
Zhao, Liang-Yuan [1 ,2 ]
An, Xue-Bi [1 ,2 ]
Yin, Zhen-Qiang [1 ,2 ]
Chen, Wei [1 ,2 ]
Han, Zheng-Fu [1 ,2 ]
Wang, Qin [3 ]
机构：
[1] Univ Sci & Technol China, Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China
[2] Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China
[3] Nanjing Univ Posts & Telecommun, Inst Signal Proc & Transmiss, Nanjing 210003, Jiangsu, Peoples R China
来源：
CHINESE PHYSICS B | 2017年 / 26卷 / 11期
基金：
中国国家自然科学基金;
关键词：
parametric down-conversion; brightness; photon channel transmission; SINGLE PHOTONS;
D O I：
10.1088/1674-1056/26/11/110302
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Parametric down-conversion (PDC) sources play an important role in quantum information processing, therefore characterizing their properties is necessary. Here we present a statistical model to assess the properties of the PDC source with certain distribution, such as the brightness and photon channel transmissions, we only need to measure the singles and coincidences counts in a few seconds. Furthermore, we validate the model by applying it to a PDC source generating highly non-degenerate photon pairs. The results of the experiment indicate that our method is more simple, efficient, and less time consuming.
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页数：6
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