Efficient bidirectional quantum secure communication with two-photon entanglement

Efficient bidirectional quantum secure communication with two-photon entanglement An efficient bidirectional quantum secure communication protocol is proposed with two-photon entanglement. Compared with the previous protocol proposed by Shi et al., our protocol can achieve higher efficiency. Meanwhile, for the same length secret messages, only half of entangled photon pairs need to be prepared in our protocol. And the number of classical bits in public classical communication is also a half of that in the previous protocol. Moreover, the information leakage does not exist in our scheme. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Efficient bidirectional quantum secure communication with two-photon entanglement

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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/s11128-013-0584-y
Publisher site
See Article on Publisher Site

Abstract

An efficient bidirectional quantum secure communication protocol is proposed with two-photon entanglement. Compared with the previous protocol proposed by Shi et al., our protocol can achieve higher efficiency. Meanwhile, for the same length secret messages, only half of entangled photon pairs need to be prepared in our protocol. And the number of classical bits in public classical communication is also a half of that in the previous protocol. Moreover, the information leakage does not exist in our scheme.

Journal

Quantum Information ProcessingSpringer Journals

Published: May 16, 2013

References

  • A scheme for secure direct communication using EPR pairs and teleportation
    Yan, FL; Zhang, XQ
  • Quantum secure direct communication network with Einstein–Podolsky–Rosen pairs
    Deng, FG; Li, XH; Li, CY; Zhou, P; Zhou, HY
  • Secure direct communication based on ping-pong protocol
    Chamoli, A; Bhandari, CM
  • Revisiting the security of secure direct communication based on ping-pong protocol [Quantum Inf
    Yang, Y.G.; Teng, Y.W.

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