3 papers
quant-ph2026
A Candidate Framework for Free-Space Quantum Key Distribution based on Geometrical-Configuration Modulation
Yu-Ming Bai, Yu-Xuan Liu, Ming-Han Ding +1
This paper proposes a candidate framework for free-space quantum key distribution (QKD) based on geometrical-configuration modulation (GM). In the minimal implementation considered…
hep-ph2026
Polarization, Maximal Concurrence, and Pure States in High-Energy Collisions
Yu-Xuan Liu, Wei Qi, Luo-Ting He +1
We establish a quantitative relation between local spin polarization and quantum entanglement in two-qubit systems by mathematically proving a closed-form upper bound on the concur…
physics.optics2026
Geometric-Configuration Modulation: A Novel Free-Space Optical Communication Paradigm for Turbulence Resistance
Yu-Ming Bai, Ming-Han Ding, Yu-Xuan Liu +1
We propose Geometric-Configuration Modulation (GM), a novel AO-free FSO paradigm utilizing multi-source geometric configuration encoding and active correlative decoding. GM demonst…