Key rate of quantum key distribution with hashed two-way classical communication

Details Key rate of quantum key distribution with hashed two-way classical communication Key rate of quantum key distribution with hashed two-way classical communication

2007-05-21

arxiv.org/abs/0705.2904v2

Phys. Rev. A 76, 032312 (2007)

Physics

Quantum Physics

RevTex, 19 pages, 2 figures, to be presented at 2007 IEEE International Symposium on Information Theory, Appendices E and F ar

Scientific paper

10.1103/PhysRevA.76.032312

We propose an information reconciliation protocol that uses two-way classical communication. In the case of the BB84 protocol and the six-state protocol, the key rates of the quantum key distribution (QKD) protocols that use our proposed information reconciliation protocol are higher than previously known protocols for wide range of error rates. We also clarify the relation between the proposed protocol and known QKD protocols, and the relation between the proposed protocol and entanglement distillation protocols (EDPs).

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