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International School on Symmetry and Structural Properties of Condensed Matter (SSPCM)

FINITE QUANTUM SYSTEMS AND THEIR APPLICATIONS TO QUANTUM INFORMATION PROCESSING

Apostol Vourdas

Published Jul 1, 2003• 0 citations
Publisher
DOI
10.1142/9789812704474_0004

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この博士論文は、次の学術雑誌論文を一部に使用しています。 / QUANTUM INFORMATION PROCESSING 20(9) :287(2021); doi:10.1007/s11128-021-03212-y © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2021/ JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS 500(1) :125072(2021); doi:10.1016/j.jmaa.2021.125072 © 2021 Elsevier Inc. All rights reserved./ QUANTUM INFORMATION PROCESSING 18(12) :377(2019); doi:10.1007/s11128-019-2485-1 © Springer Science+Business Media, LLC, part of Springer Nature 2019
In this manuscript, a composite channel model for quantum key distribution is considered, including both a "hard output" quantum channel and a "soft output" classic channel. The metrics derived from the two channels are jointly processed at the receiver, exploiting capacity achieving soft-metric based iteratively decoded block codes, and soft-information based information reconciliation and privacy amplification techniques are proposed. The performance of the proposed mixed-soft-metric algorithms is analyzed as a function of the system parameters.