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Title: Finite-key analysis for practical implementations of quantum key distribution
Authors: Cai, R.Y.Q.
Scarani, V. 
Issue Date: 30-Apr-2009
Citation: Cai, R.Y.Q., Scarani, V. (2009-04-30). Finite-key analysis for practical implementations of quantum key distribution. New Journal of Physics 11 : -. ScholarBank@NUS Repository.
Abstract: The lists of bits processed in quantum key distribution are necessarily of finite length. The need for finite-key unconditional security bounds was recognized long ago, but the theoretical tools have become available only very recently. We provide finite-key unconditional security bounds for two practical implementations of the Bennett-Brassard 1984 coding: prepare- and-measure implementations without decoy states and entanglement-based implementations. A finite-key bound for prepare-and-measure implementations with decoy states is also derived under a simplified treatment of the statistical fluctuations. The presentation is tailored to allow direct application of the bounds in experiments. Finally, the bounds are also evaluated on a priori reasonable expected values of the observed parameters. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
Source Title: New Journal of Physics
ISSN: 13672630
DOI: 10.1088/1367-2630/11/4/045024
Appears in Collections:Staff Publications

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