光纤耦合器型光纤光栅滤波器

Fiber Grating Filters Writing in Fiber Coupler

光纤耦合器型光纤光栅滤波器 (FCFGF)综合了光纤耦合器的多端口特性和光纤光栅良好的波长选择性特点 ,形成了一种低成本的全光纤波分复用 (WDM)器件。本文综合评述了各种不同结构的FCFGF的工作原理。

Fiber grating filters write in fiber coupler(FCFGF) have become a kind of all fiber low cost WDM devices,which embraces advantages of multi port of fiber coupler and advantages of excellent wavelength selectivity of fiber grating.In this paper,the operation principle,basic characteristics and applications of various FCFGF have been comment.