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

@article{Verma2021SinglephotonDI,
  title={Single-photon detection in the mid-infrared up to 10 $\mu$m wavelength using tungsten silicide superconducting nanowire detectors},
  author={Varun B. Verma and Boris A. Korzh and Alex B. Walter and Adriana E. Lita and Ryan M. Briggs and Marco Colangelo and Yao Zhai and Emma E. Wollman and Andrew D. Beyer and Jason P. Allmaras and H. Vora and D. Zhu and Ekkehart Schmidt and Alexander G. Kozorezov and Karl K. Berggren and Richard P. Mirin and Sae Woo Nam and Matthew D. Shaw},
  journal={APL Photonics},
  year={2021},
  volume={6},
  pages={056101}
}
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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