Design of high-order MPF assisted by Faraday spinning mirror

Wang Xu; Liang Xiaodong

doi:10.13756/j.gtxyj.2013.01.007

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Design of high-order MPF assisted by Faraday spinning mirror

- Design of high-order MPF assisted by Faraday spinning mirror
- Study on Optical communication Issue 1, Pages: 27-29(2013)
- 作者机构：
  
  河南师范大学物理与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2013.01.007
  CLC： TN713
- Published：2013，
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[1]王旭,梁晓东.法拉第旋转镜辅助高阶微波光子滤波器设计[J].光通信研究,2013(01):27-29+70.

Wang Xu, Liang Xiaodong. Design of high-order MPF assisted by Faraday spinning mirror. [J]. (1):27-29(2013)
[1]王旭,梁晓东.法拉第旋转镜辅助高阶微波光子滤波器设计[J].光通信研究,2013(01):27-29+70. DOI： 10.13756/j.gtxyj.2013.01.007.

Wang Xu, Liang Xiaodong. Design of high-order MPF assisted by Faraday spinning mirror. [J]. (1):27-29(2013) DOI： 10.13756/j.gtxyj.2013.01.007.

摘要

在研究MPF（微波光子滤波器）理论的基础上

针对滤波器的整体性能优化和偏振不稳定性

提出了一种基于法拉第旋转镜辅助设计的MPF结构

得到了一个高阶结构的MPF。实现了同时具有高Q值、高边频选择性和高阻带抑制比的可调谐带通滤波器。采用信号流图分析了法拉第旋转镜反射光纤环延迟线结构中微波调制信号的流程

推导出了传递函数、Q值表达式。并进行了仿真

分析了耦合系数、光纤放大器增益和光纤环环长对输出谱特性的影响。

Abstract

In order to optimize the entire performances of Microwave Photonic Filters（MPF） and their polarization stability

a Faraday spinning mirror-based MPF structure is presented.This tunable bandpass filter has high Q value

high side frequency selection and high stopband suppression ratio.On the basis of the theory of MPF

the microwave modulated signal flow of Faraday spinning mirror assisted Fiber Ring Delay Line（FRDL） is analyzed and the transfer function and the expression of Q value derived by using the signal flow graph.Finally

simulation is conducted and the effects of coupling coefficient

EDFA gain and fiber ring length on the output spectral characteristics analyzed.

关键词

微波光子滤波器光纤环延迟线信号流图法拉第旋转镜

Keywords

MPFFRDLsignal flow graphFaraday spinning mirror

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