Relativistic single-cycle tunable infrared pulses generated from a tailored plasma density structure

Zan Nie, Chih Hao Pai, Jianfei Hua, Chaojie Zhang, Yipeng Wu, Yang Wan, Fei Li, Jie Zhang, Zhi Cheng, Qianqian Su, Shuang Liu, Yue Ma, Xiaonan Ning, Yunxiao He, Wei Lu, Hsu Hsin Chu, Jyhpyng Wang, Warren B. Mori, Chan Joshi