Enhanced 1.5 μm emission from Yb<sup>3+</sup>/Er<sup>3+</sup> codoped tungsten tellurite glasses for broadband near-infrared optical fiber amplifiers and tunable fiber lasers
Jian Yuan, Guodong Zheng, Yingyi Ye, Yongbin Chen, Tingting Deng, Peng Xiao, Yichen Ye, Weichao Wang
Abstract
Strong 1.5 μm emission with full width at half maximum of 64 nm is achieved in 3 mol% Yb 2 O 3 and 1 mol% Er 2 O 3 codoped tungsten tellurite glass. The present glass shows large gain bandwidth (6.78 × 10 −26 cm 3 ) and figure of merit (4.06 × 10 −23 cm 2 s).
Topics & Concepts
Materials scienceTungstenOptoelectronicsBroadbandLaserFiber laserYtterbiumOptical fiberFiberOpticsPhysicsDopingWavelengthMetallurgyComposite materialGlass properties and applicationsSolid State Laser TechnologiesLuminescence Properties of Advanced Materials