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Published December 20, 2021 | Published
Journal Article Open

Free-space coupled superconducting nanowire single-photon detector with low false counts


A free-space coupled superconducting nanowire single-photon detector with high efficiency at 1550 nm, sub-0.1 Hz dark count rate, and sub-15 ps timing jitter is demonstrated.

Additional Information

© 2021 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement. Received 27 September 2021; revised 27 October 2021; accepted 31 October 2021; published 9 December 2021. Funding: Alliance for Quantum Technologies, California Institute of Technology; Jet Propulsion Laboratory; Defense Advanced Research Projects Agency; National Aeronautics and Space Administration (80NM0018D0004). The research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. We thank Jason Trevor for technical assistance and Sahil Patel for assisting in editing the paper. J.P.A. acknowledges a NASA NSTRF fellowship. The authors declare no conflicts of interest. Data Availability. The data that support the findings of this study are available from the corresponding author upon reasonable request.

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August 22, 2023
September 11, 2023