长周期波导光栅窄带光滤波器特性的模拟

张谦述; 廖进昆; 陆荣国; 唐雄贵; 李和平; 刘 永; 刘永智

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长周期波导光栅窄带光滤波器特性的模拟

论文 | 更新时间：2020-08-12

- 长周期波导光栅窄带光滤波器特性的模拟
- Property Simulation of a Narrow Band-passed Optical Filter Based on Long-period Waveguide Grating
- 发光学报 2009年30卷第3期页码：356-362
- 作者机构：
  
  1. 宽带光纤传输与通信教育部重点实验室电子科技大学光电信息学院,四川成都,610054
  2. 西华师范大学物理与电子学院,四川南充,637002
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TN256
- 收稿日期：2008-11-10，
  
  修回日期：1900-01-02，
  
  网络出版日期：2009-06-30，
  
  纸质出版日期：2009-06-30
- 稿件说明：
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张谦述, 廖进昆, 陆荣国, 等. 长周期波导光栅窄带光滤波器特性的模拟[J]. 发光学报, 2009,30(3):356-362.

ZHANG Qian-shu, LIAO Jin-kun, LU Rong-guo, et al. Property Simulation of a Narrow Band-passed Optical Filter Based on Long-period Waveguide Grating[J]. Chinese journal of luminescence, 2009, 30(3): 356-362.
张谦述, 廖进昆, 陆荣国, 等. 长周期波导光栅窄带光滤波器特性的模拟[J]. 发光学报, 2009,30(3):356-362. DOI：

ZHANG Qian-shu, LIAO Jin-kun, LU Rong-guo, et al. Property Simulation of a Narrow Band-passed Optical Filter Based on Long-period Waveguide Grating[J]. Chinese journal of luminescence, 2009, 30(3): 356-362. DOI：

摘要

利用两路平行的刻有长周期光栅(LPWG)波导间耦合的理论模型

研究了LPWG波导光滤波器

利用弱耦合实现高耦合效率和窄带滤波的方法

设计了一个窄带光滤波器。仿真结果表明

在1 530~1 560 nm范围

能实现单一的带通、带阻互补滤波输出

3 dB带宽为1 nm

耦合效率高达98%。

Abstract

Using the model describing the coupling operation of two paralle waveguides with long-period waveguide grating (LPWG) thereon

the methods decreasing coupling coefficient of coupled modes to realize narrow band-passed optical filtering and high coupling efficiency were investigated in this paper. Meantime

a narrow band-passed optical filter was designed with these methods. The simulation results indicated that the filter could be realized with a single band-passed result and band-rejected result simultaneously in the wavelength range of 1 530 nm to 1 560 nm. The 3 dB band-width is only 1 nm.

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references

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