![Femtosecond ytterbium-doped fiber laser mode-locked by carboxyl-functionalized graphene oxide saturable absorber]()
Femtosecond ytterbium-doped fiber laser mode-locked by carboxyl-functionalized graphene oxide saturable absorberHou, Lei; Lin, Qimeng; Wang, Yonggang; Chen, Zhendong; Sun, Jiang; Guo, Hongyu; Bai, Yang; Chen, Haowei; Lu, Baole; Bai, Jintao · Applied Physics Express · 2018