3 papers
quant-ph2026
Robustness of fiber-optic attenuators to 1061-nm sub-nanosecond pulsed laser radiation in quantum key distribution systems
Daria Ruzhitskaya, Irina Zhluktova, Anastasiya Ponosova +10
The security of quantum key distribution (QKD) systems relies on the physical integrity of their components. While laser-damage attacks (LDAs) using high-power continuous-wave (cw)…
quant-ph2025
High-efficiency Weak-trace-free Counterfactual Communication via Quantum Zeno Effect
Tianyi Xing, Anqi Huang, Yizhi Wang +10
The quantum Zeno effect, which inhibits quantum state evolution via repeated weak measurements, significantly enhances the efficiency of interaction-free measurement (IFM). This fu…
quant-ph2024
Characterization of Intensity Correlation via Single-photon Detection in Quantum Key Distribution
Tianyi Xing, Junxuan Liu, Likang Zhang +10
One of the most significant vulnerabilities in the source unit of quantum key distribution (QKD) is the correlation between quantum states after modulation, which shall be characte…