Superconducting nanowire single-photon detectors: A perspective on evolution, state-of-the-art, future developments, and applications

@article{EsmaeilZadeh2021SuperconductingNS,
  title={Superconducting nanowire single-photon detectors: A perspective on evolution, state-of-the-art, future developments, and applications},
  author={Iman Esmaeil Zadeh and J. Chang and Johannes W. N. Los and Samuel Gyger and Ali W. Elshaari and Stephan Steinhauer and Sander Dorenbos and Val Zwiller},
  journal={Applied Physics Letters},
  year={2021},
  volume={118},
  pages={190502}
}
Two decades after their demonstration, superconducting nanowire single-photon detectors (SNSPDs) have become indispensable tools for quantum photonics as well as for many other photon-starved applications. This invention has not only led to a burgeoning academic field with a wide range of applications but also triggered industrial efforts. Current state-of-the-art SNSPDs combine near-unity detection efficiency over a wide spectral range, low dark counts, short dead times, and picosecond time… 

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