Photon-counting optical time-domain reflectometry with superconducting nanowire single-photon detectors

被引：0
|
作者：
Zhao, Qingyuan [1 ]
Hu, Junhui [2 ,3 ]
Zhang, Xuping [2 ]
Zhang, Labao [1 ]
Jia, Tao [1 ]
Kang, Lin [1 ]
Chen, Jian [1 ]
Wu, Peiheng [1 ]
机构：
[1] Nanjing Univ, Res Inst Superconductor Elect, Nanjing 210008, Jiangsu, Peoples R China
[2] Nanjing Univ, Inst Opt Commun Engn, Nanjing 210008, Jiangsu, Peoples R China
[3] Guangxi Normal Univ, Coll Phys Sci & Technol, Guilin, Peoples R China
来源：
2013 IEEE 14TH INTERNATIONAL SUPERCONDUCTIVE ELECTRONICS CONFERENCE (ISEC) | 2013年
基金：
中国国家自然科学基金;
关键词：
timing jitter; spatial resolution; optical time-domain reflectometry; superconducting nanowire single-photon detector;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We applied superconducting nanowire single-photon detectors to photon-counting optical time-domain reflectometry (OTDR). The setup was optimized to minimize the timing jitter of the photon detections to 42 ps. Therefore, we achieved a spatial resolution of 4 mm in our OTDR system. Based on the super high spatial resolution, we observed the reflection from a small fiber coil and see the peak width spread.
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页数：3
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