Fabrication of 16 W all-normal-dispersion mode-locked Yb-doped rod-type fiber laser with large-mode area*
Lv Zhi-Guoa), Teng Haob), Wang Li-Nab), Wang Ruib), Wang Jun-Lia), Wei Zhi-Yib)
       
Mode-locked optical spectrum on linear scale. Inset shows the counterpart on logarithmic scale.