全光纤AOTF的发展与应用

光纤可调谐滤波器作为潜力巨大的光通信器件 ,近年来得到人们的广泛重视。声光可调谐滤波器具有制作工艺简单、插入损耗低、调谐范围宽、高速连续电调谐、多波长独立操作的优点 ,因而在未来全光网络中具有广泛的应用前景。对两种不同模式耦合原理进行了比较 ,介绍了声光可调谐滤波器的研究进展情况 ,分析了器件制作中主要存在的问题 ,并提出了器件在光通信系统中的应用和应用中存在的一些潜在问题。

Progress and applications of all-fiber acousto-optical tunable filter

As an optical communication component with considerable potential, the all fiber acousto optical tunable filters have been paid great attention in recent years. With the advantages such as simplicity in manufacturing, low insertion loss, broad tuning range, high speed continual electric tuning and simultaneous multiple channel filtering, they have promising prospect in the future all optic networks. Therefore, the development of all fiber acousto optical tunable filter, its operating principles, structures, performances are described. The different experimental structures are compared and its advantages and disadvantages are analyzed.