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Zolotov, P., Divochiy, A., Vakhtomin, Y., Seleznev, V., Morozov, P., & Smirnov, K. (2018). Superconducting Single-photon Detectors Made of Ultra-thin VN Films. KnE Energy, 3(3), 83–89. https://doi.org/10.18502/ken.v3i3.2016

https://doi.org/10.18502/ken.v3i3.2016

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authors

  • P Zolotov
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  • A Divochiy
    No author data available.
  • Y Vakhtomin
    No author data available.
  • V Seleznev
    No author data available.
  • P Morozov
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  • K Smirnov
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Published Date

  • Apr 25, 2018

Superconducting Single-photon Detectors Made of Ultra-thin VN Films

KnE Energy / VII International Conference on Photonics and Information Optics (PhIO) / Pages 83–89

Abstract

We optimized technology of thin VN films deposition in order to study VN-based superconducting single-photon detectors. Investigation of the main VN film parameters showed that this material has lower resistivity compared to commonly used NbN. Fabricated from obtained films devices showed 100% intrinsic detection efficiency at 900 nm, at the temperature of 1.7 K starting with the bias current of 0.7·I

References
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