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.
L. Gyongyosi and S. Imre, "Improved reconciliation for continuous-variable quantum key distribution," Proc. SPIE 10933, Advances in Photonics of Quantum Computing, Memory, and Communication XII, 109330G (Presented at SPIE OPTO: February 06, 2019; Published: 4 March 2019); https://doi.org/10.1117/12.2505374.
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