期刊
OPTICS EXPRESS
卷 30, 期 7, 页码 11174-11180出版社
Optica Publishing Group
DOI: 10.1364/OE.454521
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类别
资金
- National Natural Science Foundation of China [62005161, 61975120, 62075126, 91850203]
- Shanghai Municipal Education Commission [19CG12]
This study reports on a red-diode-clad-pumped continuous-wave (CW) and mode-locked Er:ZBLAN fiber laser at 3.5 μm for the first time. Experimental and numerical simulation results show that a heavily-doped Er:ZBLAN fiber can effectively generate 3.5 μm laser through 658 nm laser diode pumping. By incorporating a homemade semiconductor saturable absorber mirror, a diode-pumped CW mode-locked 3.5 μm Er:ZBLAN fiber laser was demonstrated with high performance.
We report on a red-diode-clad-pumped continuous-wave (CW) and mode-locked Er:ZBLAN fiber laser at 3.5 mu m for the first time. Numerical simulation shows that a heavily-doped Er:ZBLAN fiber is favorable for effective generation of 3.5 mu m laser through 658 nm laser diode pumping. Using a 7.0 mol.% Er:ZBLAN fiber, CW output power of 203 mW was experimentally obtained at 3462 nm. By incorporating a home-made semiconductor saturable absorber mirror into the cavity, diode-pumped CW mode-locked 3.5 mu m Er:ZBLAN fiber laser was first demonstrated with an average power of 19 mW, a pulse duration of 18.1 ps, and a repetition rate of 46 MHz. The research results show that red-diode-clad-pumping provides a simple and potential scheme for 3.5 mu m CW and mode-locked Er:ZBLAN fiber laser. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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