Photonic Channels for Quantum Communication

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Science  09 Jan 1998:
Vol. 279, Issue 5348, pp. 205-208
DOI: 10.1126/science.279.5348.205

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A general photonic channel for quantum communication is defined. By means of local quantum computing with a few auxiliary atoms, this channel can be reduced to one with effectively less noise. A scheme based on quantum interference is proposed that iteratively improves the fidelity of distant entangled particles.

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