Cao Zheng-Wen, Zhang Shuang-Hao, Feng Xiao-Yi, Zhao Guang, Chai Geng, Li Dong-Wei. The design and realization of continuous-variable quantum key distribution system based on real-time shot noise variance monitoringJ. Acta Physica Sinica, 2017, 66(2): 020301. DOI: 10.7498/aps.66.020301