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Conditional beam-splitting attack on quantum key distribution

Barnett, Stephen M. and Calsamiglia, John and Lütkenhaus, Norbert (2001) Conditional beam-splitting attack on quantum key distribution. Physical Review A, 65 (1). 012312-1. ISSN 1050-2947

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    Abstract

    We present a different attack on quantum key distribution based on the idea of adaptive absorption [J. Calsamiglia et al., Phys. Rev. A (64, 043814 (2001)]. The conditional beam-splitting attack is shown to be much more efficient than the conventional beam splitting attack, achieving a performance similar to the, powerful but currently unfeasible, photon number splitting attack. The implementation of the conditional beam-splitting attack, based solely on linear optical elements, is well within the reach of current technology.

    Item type: Article
    ID code: 5852
    Keywords: beam splitting, photon splitting, optical elements, quantum, quantum physics, optics, Optics. Light, Atomic and Molecular Physics, and Optics
    Subjects: Science > Physics > Optics. Light
    Department: Faculty of Science > Physics
    Related URLs:
    Depositing user: Miss Darcy Spiller
    Date Deposited: 30 Apr 2008
    Last modified: 05 Sep 2014 13:13
    URI: http://strathprints.strath.ac.uk/id/eprint/5852

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