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- Title
Tight finite-key analysis for mode-pairing quantum key distribution.
- Authors
Wang, Ze-Hao; Wang, Rong; Yin, Zhen-Qiang; Wang, Shuang; Lu, Feng-Yu; Chen, Wei; He, De-Yong; Guo, Guang-Can; Han, Zheng-Fu
- Abstract
Mode-pairing quantum key distribution (MP-QKD) is a potential protocol that is not only immune to all possible detector side channel attacks, but also breaks the repeaterless rate-transmittance bound without needing global phase locking. Here we analyze the finite-key effect for the MP-QKD protocol with rigorous security proof against general attacks. Moreover, we propose a six-state MP-QKD protocol and analyze its finite-key effect. The results show that the original protocol can break the repeaterless rate-transmittance bound with a typical finite number of pulses in practice. And our six-state protocol can improve the secret key rate significantly in long distance cases. Mode-pairing quantum key distribution (MP-QKD) is a potential protocol. Here the authors analyze the finite-key effect for the MPQKD protocol with rigorous security proof against general attacks. And they propose a six-state MP-QKD protocol and analyze its finite key effect.
- Subjects
DETECTORS
- Publication
Communications Physics, 2023, Vol 6, Issue 1, p1
- ISSN
2399-3650
- Publication type
Article
- DOI
10.1038/s42005-023-01382-y