Fault tolerant quantum key distribution protocol with collective random unitary noise

Details Fault tolerant quantum key distribution protocol with collective random unitary noise Fault tolerant quantum key distribution protocol with collective random unitary noise

2004-06-15

arxiv.org/abs/quant-ph/0406100v3

Physics

Quantum Physics

Accepted by PRA as a Rapid Communication

Scientific paper

10.1103/PhysRevA.72.050304

We propose an easy implementable prepare-and-measure protocol for robust quantum key distribution with photon polarization. The protocol is fault tolerant against collective random unitary channel noise. The protocol does not need any collective quantum measurement or quantum memory. A security proof and a specific linear optical realization using spontaneous parametric down conversion are given.

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