All-fiber telecom band energy-time entangled biphoton source

被引：0
|
作者：
刘妤婷 [1 ,2 ]
邢俊杰 [1 ,2 ]
夏志广 [1 ,2 ]
权润爱 [1 ]
洪辉博 [1 ,2 ]
刘涛 [1 ,2 ]
张首刚 [1 ,2 ]
项晓 [1 ]
董瑞芳 [1 ,2 ]
机构：
[1] Key Laboratory of Time and Frequency Primary Standards, National Time Service Center, Chinese Academy of Sciences
[2] School of Astronomy and Space Science, University of Chinese Academy of Sciences
来源：
Chinese Optics Letters | 2023年 / 21卷 / 03期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
O431.2 [量子光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report an all-fiber telecom-band energy-time entangled biphoton source with all physical elements integrated into a compact cabinet. At a pump power of 800 μW, the photon pairs generation rate reaches 6.9 MHz with the coincidence-toaccidental ratio [CAR) better than 1150. The long-term stability of the biphoton source is characterized by measuring the Hong–Ou–Mandel interference visibility and CAR within a continuous operation period of more than 10 h. Benefiting from the advantages of compact size, light weight, and high stability, this device provides a convenient resource for various field turnkey quantum communication and metrology applications.
引用
收藏
页码：132 / 136
页数：5
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