CsPbBr<sub>3</sub> nanocrystal for mode-locking Tm-doped fiber laser

CsPbBr₃ nanocrystal for mode-locking Tm-doped fiber laser

Zhou Yan¹, Zhang Renli², Li Xia², Kuan Peiwen², He Dongyu³, Hou Jingshan³, Liu Yufeng³, Fang Yongzheng^{3, †}, Liao Meisong^{2, ‡}

(a) Experimental setup of the nonlinear absorption measurement, (b) nonlinear saturable absorption property of CsPbBr₃ nanocrystal.