High-energy pulse generation using Yb-doped Q-switched fiber laser based on single-walled carbon nanotubes

Wang Jun-Li†^a), Wang Xue-Ling^a), He Bo-Rong^a), Zhu Jiang-Feng^a), Wei Zhi-Yi^b), Wang Yong-Gang^c)

Output spectra of the proposed Q-switched YDFL at the pump power of 125 mW with the different polarization state.