Microwave Photonic Filter Combined with Stimulated Brillouin Scattering

GUO Li-jun; TAN Zhong-wei

doi:10.13756/j.gtxyj.2022.03.008

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Microwave Photonic Filter Combined with Stimulated Brillouin Scattering

更新时间：2022-06-15

- Microwave Photonic Filter Combined with Stimulated Brillouin Scattering
- Study on Optical Communications Issue 3, Pages: 45-49,78(2022)
- 作者机构：
  
  北京交通大学　光波技术研究所全光网络与现代通信网教育部重点实验室，北京　100044
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2022.03.008
  CLC： TN29
- Published：10 June 2022，
  
  Received：24 December 2021，
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GUO Li-jun, TAN Zhong-wei. Microwave Photonic Filter Combined with Stimulated Brillouin Scattering. [J]. Study on Optical Communications (3):45-49,78(2022)
DOI：

GUO Li-jun, TAN Zhong-wei. Microwave Photonic Filter Combined with Stimulated Brillouin Scattering. [J]. Study on Optical Communications (3):45-49,78(2022) DOI： 10.13756/j.gtxyj.2022.03.008.

摘要

基于受激布里渊散射(SBS)效应的微波光子滤波器(MPF)不仅具有低阈值和高增益等优点，而且具有可重构和可调谐的特性，这些特点使得该滤波器引起了业内人士的广泛关注。文章通过对基于SBS的MPF的研究，得到滤波器通带的规律，带宽较大且通带较为平坦。用相位调制器(PM)与SBS效应相结合，通过改变泵浦支路输入光梳的个数和频率间隔，可以改变布里渊增益谱的带宽，从而改变滤波器的通带带宽和形状，即可实现滤波器带宽的可重构性。通过改变泵浦支路输入正弦信号的幅度就可以改变光梳的形状，随之改变布里渊增益谱和滤波器的平坦度。文章使用仿真软件Optisystem与Matlab联合仿真并分析，得到基于SBS效应形成MPF的规律和调谐方法。

Abstract

The Microwave Photonic Filter (MPF) based on Stimulated Brillouin Scattering (SBS) effect not only has the advantages of low threshold and high gain

but also has the characteristics of reconfiguration and tuning. These characteristics make the filter attract extensive attention in the industry in recent years. By studying the MPF based on SBS

we obtain a filter with a large passband bandwidth and flat passband. Combining the Phase Modulator (PM) with the SBS effect

the bandwidth of the Brillouin gain spectrum can be changed by changing the number and frequency interval of the optical combs input by the pump branch. Therefore

the passband bandwidth and shape of the filter can be changed

and the reconfigurability of the filter bandwidth can be realized. By changing the shape of the pump branch

the flatness of the top of the Brillouin gain spectrum can be changed

as well as the flatness of the filter passband. The simulation results are obtained by Optisystem and Matlab. The characteristics of the MPF based on SBS effect with large passband and flat passband are investigated.

关键词

微波光子滤波器滤波器受激布里渊散射可重构

Keywords

MPFfilterSBSreconfigurable

references

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