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  • One-sided device-independent quantum key distribution: Security, feasibility, and the connection with steering

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    Author(s)
    Branciard, Cyril
    Cavalcanti, Eric G
    Walborn, Stephen P
    Scarani, Valerio
    Wiseman, Howard M
    Griffith University Author(s)
    Wiseman, Howard M.
    Cavalcanti, Eric G.
    Year published
    2012
    Metadata
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    Abstract
    We analyze the security and feasibility of a protocol for quantum key distribution (QKD) in a context where only one of the two parties trusts his measurement apparatus. This scenario lies naturally between standard QKD, where both parties trust their measurement apparatuses, and device-independent QKD (DI-QKD), where neither do, and can be a natural assumption in some practical situations. We show that the requirements for obtaining secure keys are much easier to meet than for DI-QKD, which opens promising experimental opportunities. We clarify the link between the security of this one-sided DI-QKD scenario and the demonstration ...
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    We analyze the security and feasibility of a protocol for quantum key distribution (QKD) in a context where only one of the two parties trusts his measurement apparatus. This scenario lies naturally between standard QKD, where both parties trust their measurement apparatuses, and device-independent QKD (DI-QKD), where neither do, and can be a natural assumption in some practical situations. We show that the requirements for obtaining secure keys are much easier to meet than for DI-QKD, which opens promising experimental opportunities. We clarify the link between the security of this one-sided DI-QKD scenario and the demonstration of quantum steering, in analogy to the link between DI-QKD and the violation of Bell inequalities.
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    Journal Title
    Physical Review A
    Volume
    85
    Issue
    1
    DOI
    https://doi.org/10.1103/PhysRevA.85.010301
    Copyright Statement
    © 2012 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Quantum Information, Computation and Communication
    Mathematical Sciences
    Physical Sciences
    Chemical Sciences
    Publication URI
    http://hdl.handle.net/10072/46947
    Collection
    • Journal articles

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