4.7 Article

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

Journal

APL PHOTONICS
Volume 6, Issue 5, Pages -

Publisher

AIP Publishing
DOI: 10.1063/5.0048049

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Funding

  1. Defense Advanced Research Projects Agency, Defense Sciences Office, through the Detect program
  2. NASA ROSES-APRA program
  3. National Aeronautics and Space Administration [80NM0018D0004]

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The superconducting nanowire single-photon detectors based on tungsten silicide offer saturated internal detection efficiency up to a wavelength of 10 µm. They are highly promising for mid-infrared applications needing sub-nanosecond timing, ultra-high gain stability, low dark counts, and high efficiency, such as chemical sensing, LIDAR, dark matter searches, and exoplanet spectroscopy.
We developed superconducting nanowire single-photon detectors based on tungsten silicide, which show saturated internal detection efficiency up to a wavelength of 10 mu m. These detectors are promising for applications in the mid-infrared requiring sub-nanosecond timing, 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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