Atomic entanglement purification using photonic Faraday rotation

Atomic entanglement purification using photonic Faraday rotation We describe an entanglement purification protocol (EPP) for atomic entangled pair using photonic Faraday rotation. Through the two single-photon input–output process in cavity quantum electrodynamics (QED), it is shown that the high-quality entangled atomic states can be obtained from the low-quality mixed entangled atomic states. Different from other EPPs, the two pairs of mixed states do not need to intact directly. As the photonic Faraday rotation works on the low-Q cavities, this EPP is useful in both quantum communication and computation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Atomic entanglement purification using photonic Faraday rotation

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Publisher
Springer Journals
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/s11128-013-0698-2
Publisher site
See Article on Publisher Site

Abstract

We describe an entanglement purification protocol (EPP) for atomic entangled pair using photonic Faraday rotation. Through the two single-photon input–output process in cavity quantum electrodynamics (QED), it is shown that the high-quality entangled atomic states can be obtained from the low-quality mixed entangled atomic states. Different from other EPPs, the two pairs of mixed states do not need to intact directly. As the photonic Faraday rotation works on the low-Q cavities, this EPP is useful in both quantum communication and computation.

Journal

Quantum Information ProcessingSpringer Journals

Published: Nov 28, 2013

References

  • One-step deterministic multipartite entanglement purification with linear optics
    Sheng, YB; Long, GL; Deng, FG
  • High-efficiency multipartite entanglement purification of electron-spin states with charge detection
    Li, T; Ren, BC; Wei, HR; Hua, M; Deng, FG
  • Multipartite electronic entanglement purification using quantum-dot spin and microcavity system
    Wang, C; Zhang, R; Zhang, Y; Ma, HQ
  • Controlled teleportation via photonic Faraday rotations in low-Q cavities
    Bastos, WP; Cardoso, WB; Avelar, AT; Almeida, NG; Baseia, B
  • A note on entanglement swapping of atomic states through the photonic Faraday rotation
    Bastos, WP; Cardoso, WB; Avelar, AT; Baseia, B
  • Efficient entanglement concentration for quantum dot and optical microcavities systems
    Sheng, YB; Zhou, L; Wang, L; Zhao, SM
  • Efficient entanglement concentration for electron-spin W state with the charge detection
    Zhou, L
  • An entanglement concentration protocol for cluster states
    Choudhury, BS; Dhara, A
  • Hyperentanglement concentration for two-photon four-qubit systems with linear optics
    Ren, BC; Du, FF; Deng, FG

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