5 papers
Experimental Demonstration of Twin-Field Quantum Digital Signatures over 504 km
Chun-Hui Zhang, Jing-Yang Liu, Wen-Xuan Zhang +5
Digital signatures are one of the security cornerstones of the current information age. Compared with classical digital signatures based on computational complexity, quantum digita…
Experimental Side-Channel-Secure Quantum Key Distribution over 200 km
Yang Zhou, Jing-Yang Liu, Chun-Hui Zhang +4
Quantum key distribution (QKD) enables two remote parties to share encryption keys with information-theoretic security guaranteed by physical laws. Side-channel-secure QKD (SCS-QKD…
A Directly Modulated Laser Platform for High-Dimensional Quantum Key Distribution
Yang Zhou, Xing-Yu Zhou, Shu-Fan Wu +3
High-dimensional quantum key distribution (HD-QKD) offers a promising approach to enhance secret key rates beyond conventional binary-encoded QKD, addressing the growing demand for…
On-demand storing time-bin qubit states with optical quantum memory
Ming-Shuo Sun, Chun-Hui Zhang, Yi-Zhen Luo +4
Quantum memory, serving as a crucial device for storing and releasing quantum states, holds significant importance in long-distance quantum communications. Up to date, quantum memo…
Improved finite-size analysis for measurement-device-independent quantum digital signature
Jia-Li Zhu, Chun-Hui Zhang, Yue-Ying Wang +1
Quantum digital signatures (QDS), based on the principles of quantum mechanics, provide information-theoretic security, ensuring the integrity, authenticity, and non-repudiation of…