Toward secure communication using intra-particle entanglement

Toward secure communication using intra-particle entanglement We explore the use of the resource of intra-particle entanglement for secure quantum key distribution in the device-independent scenario. By virtue of the local nature of such entanglement, Bell tests must be implemented locally, which leads to a natural decoupling of device errors from channel errors. We consider a side-channel attack on the sender’s state preparation device, for which the intra-particle entanglement-based scheme is shown to be more secure than the one that uses separable states. Of practical relevance is the fact that such entanglement can be easily generated using linear optics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Toward secure communication using intra-particle entanglement

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Publisher
Springer US
Copyright
Copyright © 2015 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/s11128-015-0941-0
Publisher site
See Article on Publisher Site

Abstract

We explore the use of the resource of intra-particle entanglement for secure quantum key distribution in the device-independent scenario. By virtue of the local nature of such entanglement, Bell tests must be implemented locally, which leads to a natural decoupling of device errors from channel errors. We consider a side-channel attack on the sender’s state preparation device, for which the intra-particle entanglement-based scheme is shown to be more secure than the one that uses separable states. Of practical relevance is the fact that such entanglement can be easily generated using linear optics.

Journal

Quantum Information ProcessingSpringer Journals

Published: Feb 10, 2015

References

  • No signaling and quantum key distribution
    Barrett, J; Hardy, L; Kent, A
  • Device-independent quantum key distribution with local Bell test
    Lim, CCW; Portmann, C; Tomamichel, M; Renner, R; Gisin, N
  • Quantum cryptography with entangled photons
    Jennewein, T; Simon, C; Weihs, G; Weinfurter, H; Zeilinger, A
  • A scheme for secure direct communication using EPR pairs and teleportation.
    Yan, FL; Zhang, X

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