Ultrafast Tm:CaYAlO4 laser with pulse regulation and saturation parameters evolution in the 2 μm water absorption band

Xue Cao, Qiang Zhu,Anhua Xian,Yangyu Liu,Guangmiao Liu,Luyao Li, Xianni Li,Xiaodong Xu,Wei Zhou,Haotian Wang,Haitao Huang,Baohua Jia,Yishan Wang,Jingru Wang,Dingyuan Tang,Deyuan Shen

Optics & Laser Technology（2022）

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摘要

•The stable CW ML pulsed with pulse duration as short as 1.97 ps was experimentally obtained.•We proved it experimentally that under the increasing saturation parameters, output pulses could be narrowed in the steady state cavity.•We used the generalized Ginzburg-Landau equation for the mode-locked pulse dynamic evolutions.•We showed that the pulse-narrowing mechanism in solid-state cavity at water absorption band.

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关键词

Mode-locked lasers,Mid-infrared lasers,Solid-state,Spectrum broadened

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