Simultaneous enhancement of TMI and SRS suppression enabled by tuning the refractive index profile of a low-NA YDF for high power single-mode fiber laser.

Mengfan Cui, Chongwei Wang, Haobo Li, Yang Liu, Zhiyong Pan, Hu Xiao, Zilun Chen, Zhiping Yan, Baolai Yang, Pengfei Ma, Zefeng Wang, Jinbao Chen