Broadband and efficient third-harmonic generation from black phosphorus–hybrid plasmonic metasurfaces in the mid-infrared

Song Zhu, Wenduo Chen, Tugba Temel, Fakun Wang, Xiaodong Xu, Ruihuan Duan, Tingting Wu, Xuan Mao, Congliao Yan, Jianbo Yu, Chongwu Wang, Yuhao Jin, Jieyuan Cui, Jinghao Li, Dora Juan Juan Hu, Zheng Liu, Robert T. Murray^*, Yu Luo^*, Qi Jie Wang^*