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包括分支元件、星形耦合器和各种光开关在内的功分器在光通讯系统中是最基本最重要的装置,而光多路调制器与多路解调器则是多路光通讯系统中的关键器件.本文对这种系统所用的波导光功率分配器、多路调制器和多路解调器最近的研究动向作一简述.从近几年的研究报告来看,例如用薄膜波导技术制作的光学器件,已从论述器件本身功能的阶段逐步转移到输入输出端光纤连接形式的特性评价阶段.虽然器件与光纤之间的高效率耦合
Splitters, including branch components, star couplers and various optical switches, are among the most basic and essential devices in optical communication systems, while optical multiplexers and multiplexers are multiplexed optical communications System, the key components of the system.In this paper, the system used in the waveguide optical power splitters, multiplexers and demultiplexer recent research trends to make a brief review from recent years, for example, the use of The optical devices fabricated by the thin film waveguide technology have been gradually transferred from the stage of describing the device’s own functions to the characteristic evaluation of the optical fiber connection form of the input and output ends.Although the high efficiency coupling between the device and the optical fiber