287 citations · 1k across the 23 of their papers we have counts for
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Asynchronous measurement-device-independent quantum digital signatures
Jing-Wei Bian, Bing-Hong Li, Yuan-Mei Xie +2
Quantum digital signatures (QDSs), which distribute and measure quantum states by key generation protocols and then sign messages via classical data processing, are a key area of i…
Multi-field quantum conferencing overcomes the network capacity limit
Yuan-Mei Xie, Yu-Shuo Lu, Yao Fu +2
Quantum conferencing enables multiple nodes within a quantum network to share a secure group key for private message broadcasting. The key rate, however, is limited by the repeater…
Repeater-like asynchronous measurement-device-independent quantum conference key agreement
Yu-Shuo Lu, Hua-Lei Yin, Yuan-Mei Xie +2
Quantum conference key agreement enables secure communication among multiple parties by leveraging multipartite entanglement, which is expected to play a crucial role in future qua…
Finite-Key Analysis for Coherent One-Way Quantum Key Distribution
Ming-Yang Li, Xiao-Yu Cao, Yuan-Mei Xie +2
Coherent-one-way (COW) quantum key distribution (QKD) is a significant communication protocol that has been implemented experimentally and deployed in practical products due to its…
Asynchronous measurement-device-independent quantum key distribution with hybrid source
Jun-Lin Bai, Yuan-Mei Xie, Yao Fu +2
The linear constraint of secret key rate capacity is overcome by the tiwn-field quantum key distribution (QKD). However, the complex phase-locking and phase-tracking technique requ…
Phase-Matching Quantum Key Distribution without Intensity Modulation
Shan-Feng Shao, Xiao-Yu Cao, Yuan-Mei Xie +5
Quantum key distribution provides a promising solution for sharing secure keys between two distant parties with unconditional security. Nevertheless, quantum key distribution is st…
Advantages of Asynchronous Measurement-Device-Independent Quantum Key Distribution in Intercity Networks
Yuan-Mei Xie, Jun-Lin Bai, Yu-Shuo Lu +3
The new variant of measurement-device-independent quantum key distribution (MDI-QKD), called asynchronous MDI-QKD or mode-pairing MDI-QKD, offers similar repeater-like rate-loss sc…
One-Time Universal Hashing Quantum Digital Signatures without Perfect Keys
Bing-Hong Li, Yuan-Mei Xie, Xiao-Yu Cao +4
Quantum digital signatures (QDS), generating correlated bit strings among three remote parties for signatures through quantum law, can guarantee non-repudiation, authenticity, and…
All-Photonic Quantum Repeater for Multipartite Entanglement Generation
Chen-Long Li, Yao Fu, Wen-Bo Liu +5
Quantum network applications like distributed quantum computing and quantum secret sharing present a promising future network equipped with quantum resources. Entanglement generati…
Experimental Quantum Communication Overcomes the Rate-loss Limit without Global Phase Tracking
Lai Zhou, Jinping Lin, Yuan-Mei Xie +4
Secure key rate (SKR) of point-point quantum key distribution (QKD) is fundamentally bounded by the rate-loss limit. Recent breakthrough of twin-field (TF) QKD can overcome this li…
Breaking Rate-Distance Limitation of Measurement-Device-Independent Quantum Secret Sharing
Chen-Long Li, Yao Fu, Wen-Bo Liu +5
Currently most progresses on quantum secret sharing suffer from rate-distance bound, and thus the key rates are limited. In addition to the limited key rate, the technical difficul…
Breaking universal limitations on quantum conference key agreement without quantum memory
Chen-Long Li, Yao Fu, Wen-Bo Liu +5
Quantum conference key agreement is an important cryptographic primitive for future quantum network. Realizing this primitive requires high-brightness and robust multiphoton entang…
Beating the fault-tolerance bound and security loopholes for Byzantine agreement with a quantum solution
Chen-Xun Weng, Rui-Qi Gao, Yu Bao +6
Byzantine agreement, the underlying core of blockchain, aims to make every node in a decentralized network reach consensus. Classical Byzantine agreements unavoidably face two majo…
Breaking the Rate-Loss Bound of Quantum Key Distribution with Asynchronous Two-Photon Interference
Yuan-Mei Xie, Yu-Shuo Lu, Chen-Xun Weng +7
Twin-field quantum key distribution can overcome the secret key capacity of repeaterless quantum key distribution via single-photon interference. However, to compensate for the cha…
Scalable High-Rate Twin-Field Quantum Key Distribution Networks without Constraint of Probability and Intensity
Yuan-Mei Xie, Chen-Xun Weng, Yu-Shuo Lu +4
Implementation of a twin-field quantum key distribution network faces limitations, including the low tolerance of interference errors for phase-matching type protocols and the stri…
Long-distance twin-field quantum key distribution with entangled sources
Bing-Hong Li, Yuan-Mei Xie, Zhao Li +4
Twin-field quantum key distribution (TFQKD), using single-photon-type interference, offers a way to exceed the rate-distance limit without quantum repeaters. However, it still suff…
Simple security proof of coherent-one-way quantum key distribution
Rui-Qi Gao, Yuan-Mei Xie, Jie Gu +5
Coherent-one-way quantum key distribution (COW-QKD), which requires a simple experimental setup and has the ability to withstand photon-number-splitting attacks, has been not only…
Efficient Quantum Digital Signatures without Symmetrization Step
Yu-Shuo Lu, Xiao-Yu Cao, Chen-Xun Weng +5
Quantum digital signatures (QDS) exploit quantum laws to guarantee non-repudiation, unforgeability and transferability of messages with information-theoretic security. Current QDS…
Overcoming the rate-distance limit of device-independent quantum key distribution
Yuan-Mei Xie, Bing-Hong Li, Yu-Shuo Lu +4
Device-independent quantum key distribution (DIQKD) exploits the violation of a Bell inequality to extract secure key even if the users' devices are untrusted. Currently, all DIQKD…
Secure and practical multiparty quantum digital signatures
Chen-Xun Weng, Yu-Shuo Lu, Rui-Qi Gao +6
Quantum digital signatures (QDSs) promise information-theoretic security against repudiation and forgery of messages. Compared with currently existing three-party QDS protocols, mu…
Homodyne Detection Quadrature Phase Shift Keying Continuous-Variable Quantum Key Distribution with High Excess Noise Tolerance
Wen-Bo Liu, Chen-Long Li, Yuan-Mei Xie +7
Discrete-modulated continuous-variable quantum key distribution with homodyne detection is widely recognized for its ease of implementation, efficiency with respect to error correc…
Secure Quantum Secret Sharing without Signal Disturbance Monitoring
Hua-Lei Yin, Jie Gu, Yuan-Mei Xie +3
Quantum secret sharing (QSS) is an essential primitive for the future quantum internet, which promises secure multiparty communication. However, developing a large-scale QSS networ…
Tight security bounds for decoy-state quantum key distribution
Hua-Lei Yin, Min-Gang Zhou, Jie Gu +3
The BB84 quantum key distribution (QKD) combined with decoy-state method is currently the most practical protocol, which has been proved secure against general attacks in the finit…