Efficient nonlocal entangled state distribution over the collective-noise channel

Efficient nonlocal entangled state distribution over the collective-noise channel 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Efficient nonlocal entangled state distribution over the collective-noise channel

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Publisher
Springer US
Copyright
Copyright © 2013 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-013-0610-0
Publisher site
See Article on Publisher Site

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.

Journal

Quantum Information ProcessingSpringer Journals

Published: Aug 1, 2013

References

  • Can quantum-mechanical description of physical reality be considered complete?
    Einstein, A; Podolsky, B; Rosen, N
  • Single-photon quantum error rejection and correction with linear optics
    Kalamidas, D
  • Faithful qubit transmission against collective noise without ancillary qubits
    Li, XH; Deng, FG; Zhou, HY

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