Superconducting nanowire single photon detection system for space applications

Superconducting nanowire single photon detectors (SNSPDs) have advanced various frontier scientific and technological fields such as quantum key distribution and deep space communications. However, limited by available cooling technology, all past experimental demonstrations have had ground-based ap...

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Bibliographic Details
Published in:Optics express 2018-02, Vol.26 (3), p.2965-2971
Main Authors: You, Lixing, Quan, Jia, Wang, Yong, Ma, Yuexue, Yang, Xiaoyan, Liu, Yanjie, Li, Hao, Li, Jianguo, Wang, Juan, Liang, Jingtao, Wang, Zhen, Xie, Xiaoming
Format: Article
Language:English
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Summary:Superconducting nanowire single photon detectors (SNSPDs) have advanced various frontier scientific and technological fields such as quantum key distribution and deep space communications. However, limited by available cooling technology, all past experimental demonstrations have had ground-based applications. In this work, we demonstrate a SNSPD system using a hybrid cryocooler that could ultimately be compatible with space applications. With a minimum operational temperature of 2.8 K, this SNSPD system presents a maximum system detection efficiency of over 50% and a timing jitter of 48 ps, which paves the way for various space applications.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.26.002965