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Opt Lett. 2010 Jul 1;35(13):2133-5. doi: 10.1364/OL.35.002133.

Multichannel SNSPD system with high detection efficiency at telecommunication wavelength.

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  • 1Kobe Advanced Research Center, National Institute of Information and Communications Technology, 588-2, Iwaoka, Iwaoka-cho, Nishi-ku, Kobe, Hyogo 651-2492, Japan.


We developed a four-channel superconducting nanowire single-photon detector system based on a Gifford-McMahon cryocooler. All channels showed a system detection efficiency (DE) (at a 100 Hz dark-count rate) higher than 16% at 1550 nm wavelength, and the best channel showed a system DE of 21% and 30% at 1550 and 1310 nm wavelength, respectively.

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