Quantum Error Models and Error Mitigation for Long-Distance Teleportation Architectures

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A quantum communication architecture is being developed for long-distance, high-fidelity qubit teleportation. It uses an ultrabright narrowband source of polarization-entangled photons, plus trapped-atom quantum memories, and it is compatible with long-distance transmission over standard telecommunication fiber. This paper reports error models for the preceding teleportation architecture, and for an extension thereto which enables long-distance transmission and storage of Greenberger-Horne-Zeilinger states. The use of quantum error correction or entanglement purification to improve the performance of these quantum communication architectures is also discussed.
23 pages, 16 figures, proceedings of Feynman Festival 2002

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/90652

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/quant-ph/0211086
 http://arxiv.org/abs/quant-ph/0211086

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arXiv