Controlling passively quenched single photon detectors by bright light

  title={Controlling passively quenched single photon detectors by bright light},
  author={Vadim Makarov},
Single photon detectors (SPDs) based on passively quenched avalanche photodiodes can be temporarily blinded by relatively bright light, of intensity less than 1 nW. A bright-light regime suitable for attacking a quantum key distribution system containing such detectors is described in this paper. In this regime, all SPDs in the receiver Bob are uniformly blinded by continuous illumination coming from the eavesdropper Eve. When Eve needs a certain detector in Bob to produce a click, she modifies… CONTINUE READING


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Quantum Inf. Comput

  • L Lydersen, J Skaar
  • Quantum Inf. Comput
  • 2008
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