Long-distance quantum communication with "polarization" maximally entangled states

Details Long-distance quantum communication with "polarization" maximally entangled states Long-distance quantum communication with "polarization" maximally entangled states

2008-09-22

arxiv.org/abs/0809.3661v3

Physics

Quantum Physics

5 pages 5 figures

Scientific paper

10.1016/j.aop.2010.02.001

We propose a scheme for long-distance quantum communication where the elementary entanglement is generated through two-photon interference and quantum swapping is performed through one-photon interference. Local "polarization" maximally entangled states of atomic ensembles are generated by absorbing a single photon from on-demand single-photon sources. This scheme is robust against phase fluctuations in the quantum channels, moreover speeds up long-distance high-fidelity entanglement generation rate.

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