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Improved reconciliation for continuous-variable quantum key distribution
Author(s): L. Gyongyosi; S. Imre
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Paper Abstract

The performance of a continuous-variable quantum key distribution (CVQKD) protocol depends on the efficiency of the post-processing of measurement results. The post-processing methods extract statistical information from the raw data, establish the mutual knowledge between the parties, and produce a final key that provides absolute security. Here we define an optimization method for post-processing in continuous-variable quantum key distribution. The optimization framework allows significant performance improvements in the post-processing phase compared to other existing reconciliation approaches.

Paper Details

Date Published: 4 March 2019
PDF: 6 pages
Proc. SPIE 10933, Advances in Photonics of Quantum Computing, Memory, and Communication XII, 109330G (4 March 2019); doi: 10.1117/12.2505374
Show Author Affiliations
L. Gyongyosi, Univ. of Southampton (United Kingdom)
Budapest Univ. of Technology and Economics (Hungary)
Hungarian Academy of Sciences (Hungary)
S. Imre, Budapest Univ. of Technology and Economics (Hungary)


Published in SPIE Proceedings Vol. 10933:
Advances in Photonics of Quantum Computing, Memory, and Communication XII
Philip R. Hemmer; Alan L. Migdall; Zameer Ul Hasan, Editor(s)

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