Source temporal imperfections in measurement-device-independent quantum key distributionRemoveZhi-Jian Hu, Guan-Jie Fan-Yuan, Wei-Xin Xie, Shuang Wang, Wei Chen, Zhen-Qiang Yin, Fang-Xiang Wang, De-Yong He, Guang-Can Guo, and Zheng-Fu HanPhys. Rev. A 114, 042435 (2026)