Zobrazeno 1 - 10
of 3 386
pro vyhledávání: '"Hua, Lei"'
Publikováno v:
Optics Letters 49, 4210 (2024)
The large-scale deployment of quantum secret sharing (QSS) in quantum networks is currently challenging due to the requirements for the generation and distribution of multipartite entanglement states. Here we present an efficient source-independent Q
Externí odkaz:
http://arxiv.org/abs/2407.16462
The idea of post-measurement coincidence pairing simplifies substantially long-distance, repeater-like quantum key distribution (QKD) by eliminating the need for tracking the differential phase of the users' lasers. However, optical frequency trackin
Externí odkaz:
http://arxiv.org/abs/2407.14771
Autor:
Du, Yongqiang, Li, Bing-Hong, Hua, Xin, Cao, Xiao-Yu, Zhao, Zhengeng, Xie, Feng, Zhang, Zhenrong, Yin, Hua-Lei, Xiao, Xi, Wei, Kejin
The development of quantum networks is paramount towards practical and secure communications. Quantum digital signatures (QDS) offer an information-theoretically secure solution for ensuring data integrity, authenticity, and non-repudiation, rapidly
Externí odkaz:
http://arxiv.org/abs/2407.07513
Publikováno v:
Phys. Rev. A 110, 012609 (2024)
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 interest in quantum cryptography. However, the practical implementation
Externí odkaz:
http://arxiv.org/abs/2407.08131
Quantum digital signatures (QDS), which utilize correlated bit strings among sender and recipients, guarantee the authenticity, integrity and non-repudiation of classical messages based on quantum laws. Continuous-variable (CV) quantum protocol with
Externí odkaz:
http://arxiv.org/abs/2407.03609
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 repeaterless capacity to distribute multiparticle entangled states across the
Externí odkaz:
http://arxiv.org/abs/2407.00897
Publikováno v:
Optics Express 32, 24629 (2024)
Quantum conference key agreement (QCKA) enables the unconditional secure distribution of conference keys among multiple participants. Due to challenges in high-fidelity preparation and long-distance distribution of multi-photon entanglement, entangle
Externí odkaz:
http://arxiv.org/abs/2406.17267
Quantum conference key agreement facilitates secure communication among multiple parties through multipartite entanglement and is anticipated to be an important cryptographic primitive for future quantum networks. However, the experimental complexity
Externí odkaz:
http://arxiv.org/abs/2406.15853
Discrete-Modulated Continuous-Variable Quantum Key Distribution in Satellite-to-Ground Communication
Publikováno v:
Advanced Quantum Technologies 7, 2400140 (2024)
Satellite-to-ground quantum communication constitutes the cornerstone of the global quantum network, heralding the advent of the future of quantum information. Continuous-variable quantum key distribution is a strong candidate for space-ground quantu
Externí odkaz:
http://arxiv.org/abs/2406.14166
Autor:
Jing, Xu, Qian, Cheng, Weng, Chen-Xun, Li, Bing-Hong, Chen, Zhe, Wang, Chen-Quan, Tang, Jie, Gu, Xiao-Wen, Kong, Yue-Chan, Chen, Tang-Sheng, Yin, Hua-Lei, Jiang, Dong, Niu, Bin, Lu, Liang-Liang
Quantum communication networks are crucial for both secure communication and cryptographic networked tasks. Building quantum communication networks in a scalable and cost-effective way is essential for their widespread adoption, among which a stable
Externí odkaz:
http://arxiv.org/abs/2403.11441