Q-switched erbium doped fiber laser using antimony telluride-polyvinyl alcohol (Sb2Te3-PVA) as saturable absorberMuhammad Quisar Lokman, Fauzan Ahmad and Sulaiman Wadi HarunEPJ Web Conf., 162 (2017) 01011DOI: https://doi.org/10.1051/epjconf/201716201011