Tandem-pumped 1120-nm actively Q-switched fiber laser
Wang Jian-Huaa),b),c), Hu Jin-Mengb), Zhang Shi-Qiangc), Chen Lu-Luc), Fang Yongc), Feng Yanb)†, Li Zhia)
       
Plots of output power of 1120-nm Q-switched fiber laser versus launched 1018-nm pump power at two different frequencies.