本文对全光纤光子集成器件与系统进行了较为全面地综述。结合我们的工作 ,对目前的研究热点 :光纤光栅、光纤激光器、光纤放大器、光纤光栅分插器与传感器等诸多光子器件以及由这些器件组成的波分复用通信系统进行了介绍和评述。一些新成果和新进展表明 ,这些光子器件与系统在当今和未来的光通信中将发挥重要作用。 In this paper, a comprehensive review of all-fiber photonic integrated devices and systems is given. Combined with our work, the current research focus: Fiber Gratings, Fiber Lasers, Fiber Amplifiers, Fiber Bragg Gratings, Interpolators and Sensors, and many other photonic devices, as well as the WDM communications system composed of these devices are introduced and reviewed. Some new achievements and new developments show that these photonic devices and systems will play an important role in optical communications today and in the future.