Kerr-lens mode-locking of an Yb:CLNGG laser
- Lin, Zhang-Lang
- Loiko, Pavel
- Zeng, Huang-Jun
- Xue, Wen-Ze
- Zhang, Ge
- Normani, Simone
- Camy, Patrice
- Petrov, Valentin
- Mateos, Xavier
- Lin, Haifeng
- Yu, Haohai
- Zhang, Huaijin
- Liu, Junhai
- Wang, Li
- Chen, Weidong
Publication date
January 2023
DOI Publisher
Optical Society of America - OSA PublishingAbstract
We report on a Kerr-lens mode-locked laser based on an Yb 3+ -doped disordered calcium lithium niobium gallium garnet (Yb:CLNGG) crystal. Pumping by a spatially single-mode Yb fiber laser at 976 nm, the Yb:CLNGG laser delivers soliton pulses as short as 31 fs at 1056.8 nm with an average output power of 66 mW and a pulse repetition rate of ∼77.6 MHz via soft-aperture Kerr-lens mode-locking. The maximum output power of the Kerr-lens mode-locked laser amounted to 203 mW for slightly longer pulses of 37 fs at an absorbed pump power of 0.74 W, which corresponds to a peak power of 62.2 kW and an optical efficiency of 20.3%
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