Robust quantum key distribution with imperfections in state preparation and characterizationRemoveYi-Fei Lu, Yan-Yang Zhou, Yang Wang, Xin-Hang Li, Yu Zhou, Xiao-Lei Jiang, Jia-Ji Li, Chun Zhou, Hong-Wei Li, Yu-Yao Guo, Lin-Jie Zhou, and Wan-Su BaoPhys. Rev. A 114, 042617 (2026)