Large-Area 64-pixel Array of WSi Superconducting Nanowire Single Photon Detectors

Creators: Allmaras, J. P.; Beyer, A. D.; Briggs, R. M.; Marsili, F.; Shaw, M. D.; Resta, G. V.; Stern, J. A.; Verma, V. B.; Mirin, R. P.; Nam, S. W.; Farr, W. H.

Abstract

We developed a 64-pixel 320 µm diameter array of WSi SNSPDs for the ground receiver of a deep-space optical communication link. The SNSPD array exhibits a free-space system detection efficiency of 40% at 1550 nm.

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© 2017 IEEE. The research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. This work was supported by a NASA Space Technology Research Fellowship.

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© 2017 IEEE. The research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. This work was supported by a NASA Space Technology Research Fellowship.