Applied Physics B

, 125:166 | Cite as

Diode-pumped Yb:KGW laser with 73 fs pulse and 0.72 MW peak power based on Kerr-lens mode locking

  • Xianghao MengEmail author
  • Chong lv
  • Qiushi Liu
  • Xiaohua Zhang
  • Yuchen Li
  • Xiaofeng Xi
  • Baozhen ZhaoEmail author


We have demonstrated a high-power Kerr-lens mode-locked Yb:KGW oscillator with an additional Kerr medium pumped by a high-brightness fiber-coupled diode laser. Operated at the repetition rate of 75.5 MHz, the laser delivers 73 fs pulse duration with average output power of 4.05 W, and the corresponding pulse energy is 53 nJ and the peak power is 0.72 MW, respectively. The output power is recorded to be stable with a fluctuation of less than 0.65% rms within 0.5 h. This work is promising for a variety of applications in nonlinear frequency conversion and high-energy amplifiers.



We are grateful for the funding provided by the National Natural Science Foundation of China (Grant Nos. 11504433, 11775312).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.China Institute of Atomic EnergyBeijingChina

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