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Proceedings Paper

Fiber-coupled superconducting nanowire single photon detector for quantum key distribution
Author(s): Labao Zhang; Qingyuan Zhao; Lin Kang; Jian Chen; Chunhai Cao; Peiheng Wu
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Paper Abstract

A fiber-coupled superconducting nanowire single photon detector is presented considering practical applications. The system performances, such as dark count rate, system efficiency and noise equivalent power, are discussed. A system efficiency of 3% (1550 nm) and a dark count rate of 10 Hz at 4.2 K were achieved in experiment.

Paper Details

Date Published: 25 January 2011
PDF: 6 pages
Proc. SPIE 7960, Coherent Optical Communication: Components, Subsystems, and Systems, 79600R (25 January 2011); doi: 10.1117/12.874604
Show Author Affiliations
Labao Zhang, Univ. of Nanjing (China)
Qingyuan Zhao, Univ. of Nanjing (China)
Lin Kang, Univ. of Nanjing (China)
Jian Chen, Univ. of Nanjing (China)
Chunhai Cao, Univ. of Nanjing (China)
Peiheng Wu, Univ. of Nanjing (China)


Published in SPIE Proceedings Vol. 7960:
Coherent Optical Communication: Components, Subsystems, and Systems
Guifang Li; Dieter Stefan Jäger, Editor(s)

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