Physical Layer Encryption Scheme of Intersatellite Coherent Optical Communication System Based on Polarization Perturbations Using a Series of Polarization Transformation Base Matrices. - Zhihan Li; Xianfeng Tang; Zeyu Xu; Nantao Xu; Yijia Liao; Yongli Zhao 001; Nan Cui; Kun Xu 008; Lixia Xi; Xiaoguang Zhang 001 (IEEE Trans. Aerosp. Electron. Syst., 2026)