Continuous- Variable Quantum Key Distribution with Practical Unbalanced Heterodyne Detection

Jiale Mi,Yiming Bian,Lu Fan,Yichen Zhang,Song Yu

2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM)（2023）

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摘要

We report a continuous-variable quantum key distribution protocol with unbalanced heterodyne detection considering practical imperfection factors, where a higher secret key rate is achieved compared with the balanced protocols.

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关键词

No-Switching continuous-variable quantum key distribution,Modified detector model,Unbalanced heterodyne detection,Calibration

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