Yongqiang Sun, Teng Fei, Kun Li, Kai Guo, Jinchuan Zhang, Ning Zhuo, Junqi Liu, Lijun Wang, Shuman Liu, Zhiwei Jia, Shenqiang Zhai, Fengqi Liu, Zhanguo Wang. MOCVD-Based Mid-Wave Infrared Quantum Cascade Lasers with Watt-Level Power[J]. Acta Optica Sinica, 2022, 42(22): 2214002