Optimal quantum repeaters with doubly entangled state purification

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dc.creatorWang, Chuan
dc.creatorJiao, Rong-Zhen
dc.creatorMa, Hai-Qiang
dc.creatorZhang, Yong
dc.creatorYu, Li
dc.date2009-02-23
dc.date.accessioned2026-07-07T12:45:36Z
dc.date.available2026-07-07T12:45:36Z
dc.descriptionRecently, Briegel et al. present a quantum repeaters protocol using nest entanglement purification for long distance quantum communication(Physical Review Letters \textbf{81},5932). In this paper we present a modified scheme for constructing an optimal quantum repeater using doubly entangled photon pairs that overcomes the limitations of quantum communication via noisy channels. Based on the imperfect quantum operations and classical communications, the polarization entangled quantum channels can be built with a better efficiency.
dc.description5 pages and 3 figures
dc.identifierhttps://arxiv.org/abs/0902.3862
dc.identifierhttp://arxiv.org/abs/0902.3862
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/221134
dc.subjectQuantum Physics
dc.titleOptimal quantum repeaters with doubly entangled state purification
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