High energy Q-switching of an all-fiberized 1.55-??m laser using GNRs/PVA evanescent field interaction

摘要

We experimentally demonstrate the use of a gold-nanorods(GNRs)/Polyvinyl-alcohol(PVA) composite-deposited side-polished fiber as an saturable absorber for a high-energy, passively Q-switched erbium fiber laser. The single pulse energy of ???2.57 ??J was obtained from a FBG-based Fabry-P??rot cavity.