12 papers
Photorefractive-based on-chip optical power limiter against light-injection attacks in quantum key distribution
Min Chen, Hong-Yan Song, Jia-Lin Chen +10
Light-injection attacks pose critical security threats to quantum key distribution (QKD) systems. Conventional countermeasures, such as isolators, filters, and optical power monito…
Fault-Tolerant Quantum Key Distribution: Enabling Overclocked Modulation
Feng-Yu Lu, Jia-Xuan Li, Ze-Hao Wang +8
Implementation security, higher generation rate, and lower cost are primary missions in the domain of quantum key distributions in recent years. However, simultaneously achieving r…
Relativistic Position Verification with Coherent States
Guan-Jie Fan-Yuan, Yang-Guang Shan, Cong Zhang +10
Determining the position of an entity is a fundamental prerequisite for nearly all activities. Classical means, however, have been proven incapable of providing secure position ver…
5-GHz chip-based quantum key distribution with 1Mbps secure key rate over 150 km
Guo-Wei Zhang, Sheng-Teng Zheng, You Xiao +16
Quantum key distribution (QKD) enables secure communication by harnessing the fundamental principles of quantum physics, which inherently guarantee information-theoretic security a…
Fast qubit-based frequency recovery algorithm for quantum key distribution
Feng-Yu Lu, Zheng-Kai Huang, Jia-Jv Deng +7
Clock synchronization serves as a foundational subsystem in quantum key distribution (QKD). The recently proposed Qubit-based synchronization (Qubit4Sync) has opportunities in elim…
Experimental demonstration of drone-based quantum key distribution
Xiao-Hui Tian, Ran Yang, Hua-Ying Liu +14
Quantum state transferring has been demonstrated using drones via entanglement distribution. Here we demonstrate the first drone-based quantum task, for quantum key distribution (Q…