Improved decoy-state quantum key distribution with uncharacterized heralded single-photon sources
Le-Chen 乐辰 Xu 徐,
Chun-Hui 春辉 Zhang 张,
Xing-Yu 星宇 Zhou 周
et al.
Abstract:Encoding system plays a significant role in quantum key distribution (QKD). However, the security and performance of QKD systems can be compromised by encoding misalignment due to the inevitable defects in realistic devices. To alleviate the influence of misalignments, a method exploiting statistics from mismatched basis is proposed to enable uncharacterized sources to generate secure keys in QKD. In this work, we propose a scheme on four-intensity decoy-state quantum key distribution with uncharacterized hera… Show more
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