4.6 Article

Multichannel SNSPD system with high detection efficiency at telecommunication wavelength

Journal

OPTICS LETTERS
Volume 35, Issue 13, Pages 2133-2135

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OPTICAL SOC AMER
DOI: 10.1364/OL.35.002133

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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. (C) 2010 Optical Society of America

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