Observation of 550 MHz passively harmonic mode-locked pulses at L-band in an Er-doped fiber laser using carbon nanotubes film

Huang Qianqian¹, Zou Chuanhang¹, Wang Tianxing^{1, 5}, Araimi Mohammed Al^{2, 3, 4}, Rozhin Aleksey^{2, 3}, Mou Chengbo^{1, †}

(color online) Experimental scheme of the PHML fiber laser based on CNTs-PVA film.