SUN Xin, GUO Junjie, CHEN Yujie, CHENG Jin, LIU Ao, LIU Wenbo, YIN Peng, CHEN Lanjian, WU Tianyi, DONG Chen. Feasibility analysis study of discrete modulation continuous variable quantum key distribution for spatial channelsJ. Acta Physica Sinica, 2025, 74(9): 090303. DOI: 10.7498/aps.74.20241682