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