概述了光纤光栅激光器的特点及其作为光通信系统中的光源所具有的优点 ,综述了单波长、多波长光纤光栅激光器的发展情况 ,并阐述了光纤光栅激光器的应用前景 The characteristics of fiber grating laser and its advantages as light source in optical communication system are summarized. The development of single-wavelength and multi-wavelength fiber grating laser is reviewed. The application prospect of fiber grating laser