High-Rate Continuous Variable Quantum Key Distribution Based on Probabilistically Shaped 64 and 256-QAM

François Roumestan,Amirhossein Ghazisaeidi,Jérémie Renaudier,Luis Trigo Vidarte,Eleni Diamanti,Philippe Grangier

2021 European Conference on Optical Communication (ECOC)（2021）

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摘要

We designed a CV-QKD system with off-the-shelf components and established the feasibility of distributing 67.6 and 66.8 Mb/s secret key rates on average over a 9.5 km SMF link, using respectively probabilistically shaped 64 and 256 QAM, and relying on a novel analytical security proof.

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关键词

quantum,distribution,probabilistically shaped,high-rate

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