Single-photon detection in the mid-infrared up to 10 micron wavelength using tungsten silicide superconducting nanowire detectors

A. B. Walter; A. D. Beyer; A. E. Lita; B. Bumble; B. Korzh; D. Zhu; E. E. Wollman; E. Schmidt; H. Vora; J. P. Allmaras

arxiv: 2012.09979 · v1 · pith:HF4KMPWWnew · submitted 2020-12-17 · ⚛️ physics.ins-det

Single-photon detection in the mid-infrared up to 10 micron wavelength using tungsten silicide superconducting nanowire detectors

V. B. Verma , B. Korzh , A. B. Walter , A. E. Lita , R. M. Briggs , M. Colangelo , Y. Zhai , E. E. Wollman

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A. D. Beyer J. P. Allmaras B. Bumble H. Vora D. Zhu E. Schmidt K. K. Berggren R. P. Mirin S. W. Nam M. D. Shaw

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keywords detectorsdarkdetectionefficiencymid-infrarednanowiresilicidesingle-photon

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We developed superconducting nanowire single-photon detectors (SNSPDs) based on tungsten silicide (WSi) that show saturated internal detection efficiency up to a wavelength of 10 um. These detectors are promising for applications in the mid-infrared requiring ultra-high gain stability, low dark counts, and high efficiency such as chemical sensing, LIDAR, dark matter searches and exoplanet spectroscopy.

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Single-photon detection in the mid-infrared up to 10 micron wavelength using tungsten silicide superconducting nanowire detectors

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