5 papers
Discrete-modulated continuous-variable quantum key distribution with uncertainty principle
Jiale Mi, Yiming Bian, Song Yu +3
Continuous-variable quantum key distribution is a compelling framework for scalable quantum networks due to its seamless integration with existing optical communication infrastruct…
Variational quantum state preparation within an entangle-rotate circuit framework for quantum-enhanced metrology in noisy systems
Juan C. Zuñiga Castro, Jeffrey Larson, Matt Menickelly +4
We investigate the generation of quantum states for precision metrology in noisy two-level systems. These states are obtained by optimizing a variational quantum circuit to maximiz…
Practical continuous-variable quantum key distribution using dynamic digital signal processing: security proof and experimental demonstration
Lu Fan, Zhengyu Li, Sheng Liu +8
Digital signal processing technology has paved the way for the realization of high-speed continuous-variable quantum key distribution systems. However, existing security proofs are…
Tunable Asymmetric Delay Attack in Quantum Clock Synchronization
Hui Han, Haotian Teng, Hailong Xu +7
Quantum clock synchronization underpins modern secure communications and critical infrastructure, yet its fundamental dependence on channel reciprocity introduces an exploitable vu…
Approaching the Key Rate Limit in Continuous-Variable Quantum Key Distribution Network
Yiming Bian, Yichen Zhang, Song Yu +2
A quantum key distribution network enables pairs of users to generate independent secret keys by leveraging the principles of quantum physics. For end-to-end secure communication,…