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Quantum Cryptography Security Open Quantum Systems Decoherence Superconducting Qubits

Characteristics of superconducting single photon detector in DPS-QKD system under bright illumination blinding attack

arXiv
Authors: Mikio Fujiwara, Toshimori Honjo, Kaoru Shimizu, Kiyoshi Tamaki, Masahide Sasaki

Year

2013

Paper ID

33276

Status

Preprint

Abstract Read

~2 min

Abstract Words

74

Citations

N/A

Abstract

We derive the time-dependent photo-detection probability equation of a superconducting single photon detector (SSPD) to study the responsive property for a pulse train at high repetition rate. Using this equation, we analyze the characteristics of SSPDs when illuminated by bright pulses in blinding attack on a quantum key distribution (QKD). We obtain good agreement between expected values based on our equation and actual experimental values. Such a time-dependent probability analysis contributes to security analysis.

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  • We derive the time-dependent photo-detection probability equation of a superconducting single photon detector (SSPD) to study the responsive property for a pulse train at high...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1308.2295 [2] arXiv https://arxiv.org/abs/1308.2295 [3] Publisher https://arxiv.org/abs/1308.2295

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