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Quantum Cryptography Security

Fast quantum key distribution with decoy number states

arXiv
Authors: Daryl Achilles, Ekaterina Rogacheva, Alexei Trifonov

Year

2007

Paper ID

50412

Status

Preprint

Abstract Read

~2 min

Abstract Words

71

Citations

N/A

Abstract

We investigate the use of photon number states to identify eavesdropping attacks on quantum key distribution (QKD) schemes. The technique is based on the fact that different photon numbers traverse a channel with different transmittivity. We then describe two QKD schemes that utilize this method, one of which overcomes the upper limit on the key generation rate imposed by the dead time of detectors when using a heralded source of photons.

Why This Paper Matters

  • This paper contributes to the Quantum Cryptography & Security research area in the Quantum Articles archive.
  • It adds a 2007 reference point for readers tracking recent quantum research.
  • We investigate the use of photon number states to identify eavesdropping attacks on quantum key distribution (QKD) schemes.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0705.0515 [2] arXiv https://arxiv.org/abs/0705.0515 [3] Publisher https://arxiv.org/abs/0705.0515

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