C-NOT three-gates performance by coherent cavity field and its optimized quantum applications

C-NOT three-gates performance by coherent cavity field and its optimized quantum applications A new realization model of controlled-not (C-NOT) three gates operations, between two atoms and coherent light. The proposed interaction model allows to earn more interaction time compared with the C-NOT two gates model of the reference work. As investigation of the obtained results, we enhance and optimize a recent teleportation work via coherent cavity field, by using less cavities number during the teleportation process. A higher probability have seen in the coherent state teleportation compared with the reference teleportation protocol (single photon teleportation). Furthermore, a generation and teleportation scheme of multipartite GHZ-type entangled coherent states is established. We note that more efficiency is given to our scheme because of simplicity of homodyne detection for coherent light. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

C-NOT three-gates performance by coherent cavity field and its optimized quantum applications

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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/s11128-014-0827-6
Publisher site
See Article on Publisher Site

Abstract

A new realization model of controlled-not (C-NOT) three gates operations, between two atoms and coherent light. The proposed interaction model allows to earn more interaction time compared with the C-NOT two gates model of the reference work. As investigation of the obtained results, we enhance and optimize a recent teleportation work via coherent cavity field, by using less cavities number during the teleportation process. A higher probability have seen in the coherent state teleportation compared with the reference teleportation protocol (single photon teleportation). Furthermore, a generation and teleportation scheme of multipartite GHZ-type entangled coherent states is established. We note that more efficiency is given to our scheme because of simplicity of homodyne detection for coherent light.

Journal

Quantum Information ProcessingSpringer Journals

Published: Sep 24, 2014

References

  • Quantum phase gate through a dispersive atom-field interaction
    Zou, X-B; Xiao, Y-F; Li, S-B; Yang, Y; Guo, G-C
  • A note on entanglement swapping of atomic states through the photonic Faraday rotation
    Bastos, WP; Cardoso, WB; Avelar, AT; Baseia, B

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