Error-free optical quantum communication

Details Error-free optical quantum communication Error-free optical quantum communication

2000-06-23

arxiv.org/abs/quant-ph/0006108v1

Physics

Quantum Physics

RevTeX, 4 pages, 5 figures

Scientific paper

An optical scheme for the reliable transfer of quantum information through a noisy quantum channel is proposed. The scheme is inspired by quantum error-correction protocols, but it avoids the currently infeasible requirement for a controlled-NOT operation between single photons. The quantum communication scheme presented here rejects single bit-flip errors instead of correcting them and combines quantum-measurement properties of three-particle entangled (GHZ) states with properties of quantum teleportation.

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