Study on LiNbO<sub>3</sub> 1×2 asymmetrical electrode Y branch digital optical switch

Xiao Caixia; Li Xihua; Zhou Qiang; Yang Jiangyi; Jiang Xiaoqing; Wang Minghua

doi:10.13756/j.gtxyj.2007.05.021

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Study on LiNbO₃ 1×2 asymmetrical electrode Y branch digital optical switch

- Study on LiNbO₃ 1×2 asymmetrical electrode Y branch digital optical switch
- Study on Optical communication Issue 5, Pages: 50-52(2007)
- 作者机构：
  
  1. 浙江大学信息学院
  2. 浙江大学信息学院浙江杭州310027
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2007.05.021
  CLC： TN25
- Published：2007，
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[1]肖彩侠,李锡华,周强,杨健义,江晓清,王明华.LiNbO_3 1×2非对称电极Y分叉数字光开关的研究[J].光通信研究,2007(05):50-52.

Xiao Caixia, Li Xihua, Zhou Qiang, et al. Study on LiNbO₃ 1×2 asymmetrical electrode Y branch digital optical switch. [J]. (5):50-52(2007)
[1]肖彩侠,李锡华,周强,杨健义,江晓清,王明华.LiNbO_3 1×2非对称电极Y分叉数字光开关的研究[J].光通信研究,2007(05):50-52. DOI： 10.13756/j.gtxyj.2007.05.021.

Xiao Caixia, Li Xihua, Zhou Qiang, et al. Study on LiNbO₃ 1×2 asymmetrical electrode Y branch digital optical switch. [J]. (5):50-52(2007) DOI： 10.13756/j.gtxyj.2007.05.021.

摘要

文章提出一种关于非对称电极低串扰数字光开关的新型设计方案

在Y分叉后端引入S弯曲波导

通过在Y分叉处的非对称电极和弯曲波导的弯曲电极处施加一定的同步电压

实现了比没有S弯曲的开关更低的串扰。此种设计采用有限差分光束传播方法（FDBPM）来分析

模拟结果显示

在光波长为1.55μm时

开关电压8 V

串扰<-25 dB。

Abstract

A novel design scheme for digital optical switch with high extinction ratio by employing S curve waveguide at the end of the Y branch is proposed.Higher extinction ratio than that of the device without S curve waveguide is obtained by applying certain synchronous voltage to the Y branch and the curve electrode of the S curve waveguide.Finite Difference Beam Propagation Method（FDBPM） is used to simulate the performance of the design

and the results show that the extinction ratio can exceed-25 dB with the switch voltage of about 8 V at 1.55 μm.

关键词

数字光开关非对称电极S弯曲波导铌酸锂

Keywords

digital optical switch（DOS）asymmetrical electrodeS curve waveguideLithium niobate

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State Key Laboratory of Optical Communication Technologies and Networks

Accelink Technologies Co., Ltd.

Department of Information Science & Electronic Engineering, Zhejiang University

浙江大学信息科学与电子工程学系浙江杭州　310027

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Study on LiNbO3 1×2 asymmetrical electrode Y branch digital optical switch

DOI：10.13756/j.gtxyj.2007.05.021

摘要

Abstract

关键词

Keywords

references

Study on LiNbO₃ 1×2 asymmetrical electrode Y branch digital optical switch