Single-photon detectors based on ultranarrow superconducting nanowires.

@article{Marsili2011SinglephotonDB,
  title={Single-photon detectors based on ultranarrow superconducting nanowires.},
  author={Francesco Marsili and Faraz Najafi and Eric A. Dauler and Francesco Bellei and Xiaolong Hu and M{\'a}ria Csete and Richard J. Molnar and Karl K Berggren},
  journal={Nano letters},
  year={2011},
  volume={11 5},
  pages={2048-53}
}
We report efficient single-photon detection (η = 20% at 1550 nm wavelength) with ultranarrow (20 and 30 nm wide) superconducting nanowires, which were shown to be more robust to constrictions and more responsive to 1550 nm wavelength photons than standard superconducting nanowire single-photon detectors, based on 90 nm wide nanowires. We also improved our understanding of the physics of superconducting nanowire avalanche photodetectors, which we used to increase the signal-to-noise ratio of… CONTINUE READING
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