摘要

Two-dimensional (2D) Te nanosheets were successfully fabricated through the liquid-phase exfoliation (LPE) method. The nonlinear optical properties of 2D Te nanosheets were studied by the open-aperture Z-scan technique. Furthermore, the continuous wave mode-locked (CWML) Nd:YVO4 laser was successfully realized by using 2D Te as saturable absorber (SA) for the first time. The ultrashort pulses as short as 5.8 ps were obtained at 1064.3 nm with an output power of 851 mW. This primary investigation indicates that 2D Te SA is a promising photonic device in the fields of ultrafast solid-state lasers.

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Yang Zixin,Han Lili,Yang Qi,Ren Xianghe,Zaheer Ud Din Syed,Zhang Xiaoyan,Leng Jiancai,Zhang Jiabao,zhang baitao,Yang Kejian,He Jingliang,Li Chunlong,Wang Jun. Two-dimensional tellurium saturable absorber for ultrafast solid-state laser[J].Chinese Optics Letters,2021,19(3):03.