Pulse generation in Yb-doped polarization-maintaining fiber laser by nonlinear polarization evolution
Liang Cheng-Bin1, Song Yan-Rong1, †, Dong Zi-Kai1, Wu Yun-Feng1, Tian Jin-Rong1, Xu Run-Qin2
       

Fluctuation of output power within 12 h with cavity length of 38 m at pump power of 600 mW.