Sb2Te3 topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched fiber laser. - Tao Wang; Qiang Yu; Kun Guo; Xinyao Shi; Xuefen Kan; Yijun Xu; Jian Wu; Kai Zhang 086; Pu Zhou (Frontiers Inf. Technol. Electron. Eng., 2021)