A Theoretical Analysis of Modulation Properties of A Phase Reversal Directional Coupler With Multi-Electrode Δβ

Tang Xiao-hong; Chen Zheng; Cai Bo-rong

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A Theoretical Analysis of Modulation Properties of A Phase Reversal Directional Coupler With Multi-Electrode Δβ

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- A Theoretical Analysis of Modulation Properties of A Phase Reversal Directional Coupler With Multi-Electrode Δβ
- Acta Electronica Sinica Issue 6, Pages: 73-78(1989)
- 作者机构：
  
  1. 电子科技大学
  2. 电子科技大学成都
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1989
- 稿件说明：
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[1]汤小泓,陈铮,蔡伯荣.多电极结构Δβ倒相定向耦合器调制特性理论分析[J].电子学报,1989(06):73-78.

Tang Xiao-hong, Chen Zheng, Cai Bo-rong. A Theoretical Analysis of Modulation Properties of A Phase Reversal Directional Coupler With Multi-Electrode Δβ[J]. Acta Electronica Sinica, 1989, (6): 73-78.
[1]汤小泓,陈铮,蔡伯荣.多电极结构Δβ倒相定向耦合器调制特性理论分析[J].电子学报,1989(06):73-78. DOI：

Tang Xiao-hong, Chen Zheng, Cai Bo-rong. A Theoretical Analysis of Modulation Properties of A Phase Reversal Directional Coupler With Multi-Electrode Δβ[J]. Acta Electronica Sinica, 1989, (6): 73-78. DOI：

摘要

在考虑扩散沟道波导的二维折射率分布及导模场分布的基础上

对定向耦合器耦合长度作了理论推算;经与实验制作的一个四对电极结构的定向耦合器的实测结果作比较

相对误差为15.5％。在此基础上

分析讨论了器件的工作特性。

Abstract

By considering two-dimensional distribution of guide-mode field and channel-waveguides refraction index

the coupling length of a directional coupler have been theoretically derived. In order to check the accuracy of the theoretical result

a special directional coupler with four-pair electrodes has been fabricated in our labratory. The comparison of the calculated coupling length with that measured shows a relative errer of about 15.5%. Charact-erestics of the device is discussed as well.

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