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in a continuously-operating Gifford-McMahon cryocooler to a base temperature of 2.5 K. The electrical signals from each of the four detector channels were read ...
High-speed and high-efficiency superconducting nanowire single photon detector array D. Rosenberg,* A. J. Kerman, R. J. Molnar, and E. A. Dauler MIT Lincoln Laboratory, 244 Wood Street, Lexington, Massachusetts 02420, USA * [email protected]

Abstract: Superconducting nanowire single photon detectors (SNSPDs) have separately demonstrated high efficiency, low noise, and extremely high speed when detecting single photons. However, achieving all of these simultaneously has been limited by detector subtleties and tradeoffs. Here, we report an SNSPD system with