期刊
JOURNAL OF LUMINESCENCE
卷 253, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jlumin.2022.119453
关键词
Passive Q -switched laser; Perovskite nanoplatelets; Nonlinear saturable absorber
类别
Research has found that self-assembled CsPbBr3 nanoplatelets prepared at room temperature exhibit excellent nonlinear optical performance, making them suitable for applications in optical communication, laser pulses, and nonlinear optics.
Saturable absorbers (SAs) are essential devices for laser generation through passive Q-switch or mode-locking methods. Quantum-confined nanocrystals as excellent SAs have been attracted much attention. Self-assembled CsPbBr3 nanoplatelets (NPLs) were prepared at room temperature, which indicated nonlinear optical trans-mission with the modulation depth and the saturable intensity of 13.88% and 1.75 MW cm-2, respectively. The maximum repetition rate of CsPbBr3 NPLs is 1466 kHz, while corresponding pulse width is 69 ns. The nonlinear optical performance of CsPbBr3 NPLs indicate its potential applications in optical communication, laser pulses and nonlinear optics.
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