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Position-Dependent Local Detection Efficiency in a Nanowire Superconducting Single-Photon Detector

Superconductivity 2023-07-19 v1 Instrumentation and Detectors Optics
Authors: Jelmer J. Renema , Qiang Wang , Rosalinda Gaudio , Irina Komen , Koen op 't Hoog , Dondu Sahin , Andreas Schilling , Martin P. van Exter , Andrea Fiore , Andreas Engel , Michiel J. A. de Dood
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Abstract

We probe the local detection efficiency in a nanowire superconducting single-photon detector along the cross-section of the wire with a spatial resolution of 10 nm. We experimentally find a strong variation in the local detection efficiency of the device. We demonstrate that this effect explains previously observed variations in NbN detector efficiency as function of device geometry.

Keywords

superconducting nanowire single-photon detectors

Cite

@article{arxiv.1504.05003,
  title  = {Position-Dependent Local Detection Efficiency in a Nanowire Superconducting Single-Photon Detector},
  author = {Jelmer J. Renema and Qiang Wang and Rosalinda Gaudio and Irina Komen and Koen op 't Hoog and Dondu Sahin and Andreas Schilling and Martin P. van Exter and Andrea Fiore and Andreas Engel and Michiel J. A. de Dood},
  journal= {arXiv preprint arXiv:1504.05003},
  year   = {2023}
}

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