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Low Dark Count Rate Detection

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

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A version of this chapter is published as:

A. S. Mueller, B. Korzh, M. Runyan, et al., “Free-space coupled superconducting nanowire single-photon detector with low dark counts,” Optica, vol. 8, no. 12, pp. 1586–1587, Dec. 2021. DOI: 10.1364/OPTICA.444108. [Online]. Available: https://opg.optica.org/optica/abstract.cfm?URI=optica-8-12-1586.

with the permission of Optica Publishing Group.

Acknowledgements

Boris Korzh provided extensive assistance during the ideation, construction, testing, and copyediting phases of the experiment. Marcus Runyan designed the elevated 0.8 K stage and invented a translation system using flexible carbon fiber rods. Jason Trevor provided technical assistance with implementing a nitrogen flow bag. Sahil Patel assisted with editing the manuscript.

Abstract

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.