基于啁啾莫尔光栅的多波长滤波器研究

Research into Multi-wavelength Filter Based on Chirped Moire Grating

基于法布里-珀罗谐振腔(F-P腔)的光纤光栅器件是近年来受到颇多关注的光无源器件,具有广泛的应用前景。F-P腔的光栅器件功能多,形式多变,尤其具有多通道滤波特点,在光通信以及传感方面发挥着重要作用;而且构成F-P腔的光纤光栅参数可变可调,能够形成具有不同功能和用途的光器件。运用传输矩阵法和MATLAB软件,对啁啾莫尔光栅的反射特性进行了系统的理论研究与仿真分析,有助于光纤光栅F-P腔在微波光子雷达、多波长滤波器、多波长激光输出等领域的应用。

The fiber grating device based on Fabry-Pérot cavity(F-P cavity) is an optical passive device that has received much attention in recent years, which has a wide application prospect.The fiber grating device based on F-P cavity has many functions and various forms, in particular, it has the characteristics of multi-channel filtering and plays an important role in optical communication and sensing.Moreover, the parameters of fiber grating constituting Fabry-Perot cavity are variable and adjustable, which can form optical devices with different functions and applications.In this paper, the transmission matrix method and MATLAB software are used to perform the theoretical research and simulation analysis to the reflection characteristics of chirped Moiré grating, which is helpful for the application of fiber grating F-P cavity to microwave photonic radar, multi-wavelength filter, multi-wavelength laser output and so on.