图1 (IMAGE) Science China Press Caption (a)DFB硅激光器的PL泵浦和发光示意图;插图:DFB激光器件的实物照片。(b)样品的PL谱随泵浦功率的变化;背景:DFB结构的横截面SEM图像。 Credit ©《中国科学》杂志社 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.