机译:结构和形态的退火行为及其对Er3 + / Yb3 +共掺杂Al2O3平面波导放大器的光学增益的影响
State Key Laboratory of Materials Modification by Laser Ion and Electron Beams Dalian University of Technology Dalian 116024 China;
Er-doped waveguide amplifier; annealing behaviour; structural characterization; optical gain;