Quantum cryptography protocols robust against photon number splitting attacks for weak laser pulses implementations

Details Quantum cryptography protocols robust against photon number splitting attacks for weak laser pulses implementations Quantum cryptography protocols robust against photon number splitting attacks for weak laser pulses implementations

2002-11-20

arxiv.org/abs/quant-ph/0211131v4

Phys. Rev. Lett. 92, 057901 (2004)

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.92.057901

We introduce a new class of quantum quantum key distribution protocols,
tailored to be robust against photon number splitting (PNS) attacks. We study
one of these protocols, which differs from the BB84 only in the classical
sifting procedure. This protocol is provably better than BB84 against PNS
attacks at zero error.

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