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Erschienen in: Quantum Information Processing 11/2013

01.11.2013

Efficient nonlocal entangled state distribution over the collective-noise channel

verfasst von: Yan Xia, Lin-Lin Fan, Si-Yang Hao, Juan He, Jie Song, Rong-Shan Wei, Li-Qin Huang

Erschienen in: Quantum Information Processing | Ausgabe 11/2013

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Abstract

We propose an efficient nonlocal entanglement distribution protocol (EDP) to purify the two-photon polarization-entangled state, resorting to the projection measurement on the additional photons. With the help of the cross-Kerr nonlinearity, two remote parties can share two-photon maximally entangled polarization state from the arbitrary two-photon states with a certain success probability by iterating the entanglement purification process 6 times. Compared with conventional EDPs, the present one can obtain maximally entangled polarization state over an collective-noise channel with deterministic success probability. That is, the EDP is an optimal one.

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Metadaten
Titel
Efficient nonlocal entangled state distribution over the collective-noise channel
verfasst von
Yan Xia
Lin-Lin Fan
Si-Yang Hao
Juan He
Jie Song
Rong-Shan Wei
Li-Qin Huang
Publikationsdatum
01.11.2013
Verlag
Springer US
Erschienen in
Quantum Information Processing / Ausgabe 11/2013
Print ISSN: 1570-0755
Elektronische ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-013-0610-0

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