Junyu Qian, Pengfei Wang, Yujie Peng, Yanyan Li, Beijie Shao, Hongpeng Su, Xinlin Lv, Ding Wang, Yuxin Leng, Ruxin Li. Pulse combination and compression in hollow-core fiber for few-cycle intense mid-infrared laser generation[J]. Photonics Research, 2021, 9(4): 477