ArticleScience advances2026
Experimental coherent one-way quantum key distribution with simplicity and practical security.
Article in Science advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Experimentally Validated Quantum-Secure Federated Learning over a Multi-user Quantum Network.Research (Washington, D.C.) · 2026Article
- Assessment of provably secure hybrid authenticated key exchange for dual-use applications.EPJ quantum technology · 2026Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Coherent one-way quantum key distribution (COW-QKD) has been widely investigated and even been deployed in real-world quantum network. However, the proposal of the zero-error attack has critically undermined its security guarantees, and existing experimental implementations have not yet established security against coherent attacks. In this work, we propose and experimentally demonstrate an information-theoretically secure COW-QKD protocol that can resist source side-channel attacks, with secure transmission distances up to 100 kilometers. Our system achieves a secure key rate on the order of kilobits per second over 50 kilometers in the finite-size regime, sufficient for real-time secure voice communication across metropolitan networks. Furthermore, we demonstrate the encrypted transmission of a logo with information-theoretic security over 100 kilometers of optical fiber. These results confirm that COW-QKD can simultaneously provide simplicity and security, establishing it as a strong candidate for deployment in small-scale quantum networks.
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Registered trials
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