All-fiber photon-pair source for practical quantum communications

被引：0
|
作者：
Kumar, Prem [1 ]
Fiorentino, Marco [1 ]
Voss, Paul L. [1 ]
Sharping, Jay E. [1 ]
机构：
[1] Ctr. for Photonic Commun. and Comp., ECE Department, Northwestern University, Evanston, IL, United States
来源：
Optics and Photonics News | 2002年 / 13卷 / 12期
关键词：
Crystals - Electromagnetic wave scattering - Optical fibers - Photons - Signal to noise ratio;
D O I：
10.1364/opn.13.12.000052
中图分类号：
学科分类号：
摘要：
A all-fiber photon-pair source for practical quantum communications is presented. The experiment involved the four-photon mixing in a nonlinear-fiber Sagnac interferometer (NFSI). A photon counting apparatus for detection of the signal and idler photons in coincidence was assembled. It was found that the fluorescence photons coming from the same pulse pump showed a strong correlation which was signature of their non-classical behavior.
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