Numerical Analysis of Multilayer Optical Waveguide Modes based on Effective Refractive Index Method

HE Wei; JIANG Zhong-jun; CHEN Jing-wei; WANG liang

doi:10.13756/j.gtxyj.2023.03.010

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Numerical Analysis of Multilayer Optical Waveguide Modes based on Effective Refractive Index Method

更新时间：2023-05-25

- Numerical Analysis of Multilayer Optical Waveguide Modes based on Effective Refractive Index Method
- Study on Optical Communications Issue 3, Pages: 60-65(2023)
- 作者机构：
  
  中国科学技术大学光学与光学工程系，合肥　230026
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2023.03.010
  CLC： O436
- Published：10 June 2023，
  
  Received：01 August 2022，
  
  Revised：21 August 2022，
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何伟，蒋忠君，陈经纬，等.基于有效折射率法的多层光波导模式数值分析[J].光通信研究，2023(3):60-65.

He W, Jiang Z J, Chen J W, et al. Numerical Analysis of Multilayer Optical Waveguide Modes based on Effective Refractive Index Method[J]. Study on Optical Communications, 2023(3):60-65.
何伟，蒋忠君，陈经纬，等.基于有效折射率法的多层光波导模式数值分析[J].光通信研究，2023(3):60-65. DOI： 10.13756/j.gtxyj.2023.03.010.

He W, Jiang Z J, Chen J W, et al. Numerical Analysis of Multilayer Optical Waveguide Modes based on Effective Refractive Index Method[J]. Study on Optical Communications, 2023(3):60-65. DOI： 10.13756/j.gtxyj.2023.03.010.

摘要

文章针对具有实际使用价值的多层光波导计算了有损耗波导准横电（Quasi-TE）模、准横磁（Quasi-TM）模有效折射率与横电/横磁（TE/TM）模电磁场曲线分布。计算了6层损耗波导TE/TM模式，分析了多层波导模式的有效射折率和电磁场曲线分布与波导结构的内在关系，并且利用有效折射率法完成Quasi-TE/TM模式的有效折射率计算，得到了TM模式有效折射率与模式阶数非单调递减、损耗波导模式更为丰富等结论。文章的研究工作可以为实际光波导器件设计、制作及应用提供理论基础。

Abstract

The effective and efficient refractive index of a multilayer optical waveguide is computed by taking into account the various order modes of the waveguide

such as the Quasi-Transverse Electric/Transverse Magnetic (Quasi-TE/TM) mode. According to the effective refractive index method

the effective refractive index of the Quasi-TE/TM mode is calculated from the electromagnetic field curve distribution calculated for each mode in the 6-layer loss optical waveguide compute the effective refractive index each order of TE/TM mdes. Further

we analyze the dependence of the waveguide properties on the structure. We conclude that the mode effective refractive index and mode order do not decrease monotonicallythe lossy waveguide mode is more prevalent. The research work in this paper can be used as the theoretical basis for the design

fabrication and application of practical optical waveguide devices.

关键词

有效折射率法色散方程多层光波导准横电/横磁模

Keywords

effective refractive index methoddispersion equationmultilayer optical waveguidesQuasi-TE/TM mode

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