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)
       
SEM images of (a) tapered fiber and (b) morphology of deposited Bi2Te3.