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Independent Optical Frequency Combs Powered 546 km Field Test of Twin-Field Quantum Key Distribution
Lai Zhou, Jinping Lin, Chengfang Ge +11
Owing to its repeater-like rate-loss scaling, twin-field quantum key distribution (TF-QKD) has repeatedly exhibited in laboratory its superiority for secure communication over reco…
Microsatellite-based real-time quantum key distribution
Yang Li, Wen-Qi Cai, Ji-Gang Ren +38
A quantum network provides an infrastructure connecting quantum devices with revolutionary computing, sensing, and communication capabilities. As the best-known application of a qu…
Piecemeal Telescope Array: Exponential Precision with Strong Robustness and High Efficiency
Jian Leng, Yi-Xin Shen, Zhou-Kai Cao +1
Optical telescopes are powerful eyes for terrestrial and astronomical detection. Here we propose a new detection method with high efficiency, strong robustness and super precision,…
Efficient Quantum Digital Signatures over Long Distances with Likely Bit Strings
Ji-Qian Qin, Zong-Wen Yu, Xiang-Bin Wang
Quantum digital signatures (QDSs) can provide information-theoretic security of messages against forgery and repudiation. Compared with previous QDS protocols that focus on signing…
1002 km Twin-Field Quantum Key Distribution with Finite-Key Analysis
Yang Liu, Wei-Jun Zhang, Cong Jiang +16
Quantum key distribution (QKD) holds the potential to establish secure keys over long distances. The distance of point-to-point QKD secure key distribution is primarily impeded by…