超导纳米线单光子探测器的光子计数光学时域反射测量

2013 IEEE 14th International Superconductive Electronics Conference (ISEC) Pub Date : 2013-07-07 DOI:10.1109/ISEC.2013.6604287

Qingyuan Zhao, Junhui Hu, Xuping Zhang, La-bao Zhang, T. Jia, L. Kang, Jing Chen, Peiheng Wu

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引用次数: 9

摘要

将超导纳米线单光子探测器应用于光子计数光学时域反射测量(OTDR)。该装置经过优化，将光子探测的时序抖动降至42 ps。因此，我们在OTDR系统中实现了4 mm的空间分辨率。基于超高的空间分辨率，我们从一个小的光纤线圈中观察反射，得到了峰宽的分布。

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

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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2013 IEEE 14th International Superconductive Electronics Conference (ISEC)

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