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This work presents the saturable absorption(SA) properties of CsPbBr_3 perovskite quantum dots(QDs). The perovskite QDs show excellent SA performance with a nonlinear absorption coefficient of-35 × 10~(-2) cm∕GW and a figure of merit of 3.7 × 10~(-14) esu cm. Further, their use as saturable absorbers in a passively Q-switched visible solid-state laser for the generation of soliton pulses is demonstrated. These results demonstrate thepotential for the perovskite QDs to act as saturable absorbers.
This work presents the saturable absorption (SA) properties of CsPbBr_3 perovskite quantum dots (QDs). The perovskite QDs show excellent SA performance with a nonlinear absorption coefficient of -35 × 10 -2 cm / GW and a figure of merit of These use demonstrates the potential for the perovskite QDs to act as saturable absorbers.