插图 (IMAGE) Moscow Institute of Physics and Technology Caption 电子和空穴相互湮灭下发光是半导体二极管激光器的工作原理。 Credit 叶列娜·哈维纳,莫斯科物理技术学院新闻中心 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.