Single-photon detection in the mid-infrared up to 10<i>μ</i>m wavelength using tungsten silicide superconducting nanowire detectors
- Verma, V. B.
- Korzh, B.
- Walter, A. B.
- Lita, A. E.
- Briggs, R. M.
- Colangelo, M.
- Zhai, Y.
- Wollman, E. E.
- Beyer, A. D.
- Allmaras, J. P.
- Vora, H.
- Zhu, D.
- Schmidt, E.
- Kozorezov, A. G.
- Berggren, K. K.
- Mirin, R. P.
- Nam, S. W.
- Shaw, M. D.
DOIAbstract
We developed superconducting nanowire single-photon detectors based on tungsten silicide, which show saturated internal detection efficiency up to a wavelength of 10 μm. 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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