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Error models for long-distance qubit teleportation

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2 Author(s)
Yen, B.J. ; Dept. of Electr. Eng., Massachusetts Inst. of Technol., Cambridge, MA, USA ; Shapiro, J.H.

A recent proposal for realizing long-distance, high-fidelity qubit teleportation is reviewed. This quantum communication architecture relies on an ultrabright source of polarization-entangled photons plus a pair of trapped-atom quantum memories, and it is compatible with long-distance transmission over standard telecommunication fiber. Models are developed for assessing the effects of amplitude, phase, and frequency errors in the entanglement source, as well as fiber loss and imperfect polarization restoration, on the throughput and fidelity of the system.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:9 ,  Issue: 6 )