Distributing a multi-photon polarization-entangled state with unitary fidelity via arbitrary collective noise channels

Distributing a multi-photon polarization-entangled state with unitary fidelity via arbitrary... Taking collective noise into account, a feasible protocol for distributing a multi-photon polarization-entangled state is presented assisted with spatial degree of freedom. The compositions of polarization beam splitters and half-wave plates with tilted $$\pi /4$$ π / 4 functioning as NOT gates convert the entanglement modes between the polarization and spatial degree of freedom. The appropriate and available optical elements are applied, by which the protocol can be feasibly implemented without the influence resulting from arbitrary collective noise. Furthermore, the successful probability of the entangled state distribution equals to unity for unitary collective noise model. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Distributing a multi-photon polarization-entangled state with unitary fidelity via arbitrary collective noise channels

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Publisher
Springer Journals
Copyright
Copyright © 2014 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/s11128-014-0844-5
Publisher site
See Article on Publisher Site

Abstract

Taking collective noise into account, a feasible protocol for distributing a multi-photon polarization-entangled state is presented assisted with spatial degree of freedom. The compositions of polarization beam splitters and half-wave plates with tilted $$\pi /4$$ π / 4 functioning as NOT gates convert the entanglement modes between the polarization and spatial degree of freedom. The appropriate and available optical elements are applied, by which the protocol can be feasibly implemented without the influence resulting from arbitrary collective noise. Furthermore, the successful probability of the entangled state distribution equals to unity for unitary collective noise model.

Journal

Quantum Information ProcessingSpringer Journals

Published: Oct 7, 2014

References

  • Can quantum-mechanical description of physical reality be considered complete?
    Einstein, A; Podolsky, B; Rosen, N
  • Quantum information and computation
    Bennett, CH; DiVincenzo, DP
  • Quantum teleportation and entanglement distribution over 100-kilometre free-space channels
    Sheng, Y-B; Deng, F-G
  • Quantum teleportation and entanglement distribution over 100-kilometre free-space channels
    Yin, J; Ren, J-G; Lu, H; Cao, Y; Yong, H-L; Wu, Y-P; Liu, C; Liao, S-K; Zhou, F; Jiang, Y; Cai, X-D; Xu, P; Pan, G-S; Jia, J-J; Huang, Y-M; Yin, H; Wang, J-Y; Chen, Y-A; Peng, C-Z; Pan, J-W
  • Efficient entanglement channel construction schemes for a theoretical quantum network model with d-level system
    Wang, M-M; Chen, X-B; Luo, S-S; Yang, Y-X
  • Fault tolerant quantum key distributions using entanglement swapping of GHZ states over collective-noise channels
    Yang, C-W; Hwang, T

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