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Superconducting Nanowire Single Photon Detectors with High System Detection Efficiency at Telecom Wavelengths

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Abstract

We report on a fiber-coupled eight-channel single-photon-detection system employing superconducting nanowire single-photon detectors (SNSPDs) based on amorphous tungsten silicide (WSi) with system detection efficiency ranging from 81 to 89 % at 1550 nm wavelength.

© 2013 Optical Society of America

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