Abstract
An over 200 W high-power first-order random Raman fiber laser (RRFL) at 1238 nm is demonstrated. The laser is based on a half-open cavity with a piece of 30 m phosphosilicate fiber. This RRFL is pumped by a conventional 1064 nm Yb-doped fiber laser. After suppressing the silica Raman component, a maximum output power of 206.7 W is obtained with a full width half-maximum linewidth of 7.1 nm at a pump power of 346.3 W, corresponding to an optical-to-optical efficiency of 59.7%. To the best of our knowledge, this is the highest reported output power of RRFL on the basis of phosphosilicate fiber with the shortest cavity length.
© 2019 Optical Society of America
Full Article | PDF ArticleMore Like This
Hanwei Zhang, Long Huang, Pu Zhou, Xiaolin Wang, Jiangming Xu, and Xiaojun Xu
Opt. Lett. 42(17) 3347-3350 (2017)
Jiaxin Song, Shuai Ren, Wei Liu, Wei Li, Hanshuo Wu, Pengfei Ma, Hanwei Zhang, and Pu Zhou
Opt. Lett. 46(19) 5031-5034 (2021)
Yizhu Chen, Chenchen Fan, Tianfu Yao, Hu Xiao, Jinyong Leng, Pu Zhou, Ilya N. Nemov, Alexey G. Kuznetsov, and Sergey A. Babin
Opt. Lett. 46(5) 1185-1188 (2021)