基于级联缺陷层Bragg光栅的多波长滤波器设计

李杨; 郭静菁

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基于级联缺陷层Bragg光栅的多波长滤波器设计

光学器件与系统设计 | 更新时间：2025-10-09

- 基于级联缺陷层Bragg光栅的多波长滤波器设计
- Design of multi-wavelength filter based on cascaded Bragg grating with defect layers
- 光学技术 2025年51卷第4期页码：462-467
- 作者机构：
  
  1.中国电子科技集团公司第三十八研究所，安徽合肥 230088
  2.雷达探测感知全国重点实验室，安徽合肥 230088
  3.孔径阵列与空间探测安徽省实验室，安徽合肥 230088
- 作者简介：
  
  李杨（1991— ），男，高级工程师，博士，从事集成光学技术、新体制雷达技术研究。1843981854@qq.com
- 基金信息：
  
  安徽省重点研究与开发计划(2022b13020003);西安电子科技大学杭州研究院院士开放基金(XH-KY-202306-0290)
- DOI：
  中图分类号： TN913.7
- 收稿：2025-04-15，
  
  修回：2025-05-06，
  
  纸质出版：2025-07-20
- 稿件说明：
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李杨,郭静菁.基于级联缺陷层Bragg光栅的多波长滤波器设计[J].光学技术,2025,51(04):462-467.

LI Yang,GUO Jingjing.Design of multi-wavelength filter based on cascaded Bragg grating with defect layers[J].OPTICAL TECHNIQUE,2025,51(04):462-467.
李杨,郭静菁.基于级联缺陷层Bragg光栅的多波长滤波器设计[J].光学技术,2025,51(04):462-467. DOI：

LI Yang,GUO Jingjing.Design of multi-wavelength filter based on cascaded Bragg grating with defect layers[J].OPTICAL TECHNIQUE,2025,51(04):462-467. DOI：

摘要

建模分析了Bragg光栅引入级联缺陷层后的传输谱特性，发现随着级联缺陷层数的增多，滤波器谐振峰不断增多，七级联缺陷层Bragg光栅可引入谐振峰数达到7，且级联缺陷层数对应谐振峰数量；随着缺陷层间周期数和缺陷层长度增大，谐振波长分别向中心偏移和红移，单、二、三级联缺陷层Bragg光栅滤波器在不同缺陷层长度下最大谐振波长变化率分别为0.0477、0.03021、0.03107；且输入输出端周期数有助于控制滤波器的透射率。依据仿真分析结果，可优化选择级联缺陷层Bragg光栅缺陷层的参数，设计出实际需要的多波长滤波器。

Abstract

The transmission characteristics of cascaded Bragg grating with defect layers have been studied by simulation. The results show that the resonance peak of the filter increased with increases of the number of cascaded defect layers. The number of cascaded defect layers was the same as the number of resonance peak. And the Bragg grating with seven defect layers have seven resonance peaks. As the number of cycles between defect layers and the length of defect layers increase

the resonant wavelength undergoes center shift and red shift

respectively. Under different defective layer lengths

the maximum resonance wavelength changes rate of the Bragg grating with single

double

and triple defect layers was 0.0477

0.03021

and 0.03107

respectively. And the number of cycles at the input and output terminals can helps to control the transmittance of the filter. According to the simulation results

the applicable multi-wavelength filter can be obtained by optimally designed the related parameters of defect layers.

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references

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