Yb-doped passively mode-locked fiber laser with Bi2Te3-deposited*
Li Lua),c),d), Yan Pei-Guangb), Wang Yong-Gang†a), Duan Li-Naa),d), Sun Hanga), Si Jin-Haic)
       
Experimental results: (a) optical spectrum, (b) oscilloscope trace, and (c) autocorrelation trace.