DESIGN λ=1.55μm Ti:LiNbO3 SINGLE-MODE STRIPE WAVEGUIDES AND DIRECTIONAL COUPLERS WITH EI-FEM

Liu Lijie; Yu Rongjin; Ma Shaojie

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DESIGN λ=1.55μm Ti:LiNbO₃ SINGLE-MODE STRIPE WAVEGUIDES AND DIRECTIONAL COUPLERS WITH EI-FEM

更新时间：2020-08-11

- DESIGN λ=1.55μm Ti:LiNbO₃ SINGLE-MODE STRIPE WAVEGUIDES AND DIRECTIONAL COUPLERS WITH EI-FEM
- Chinese Journal of Luminescence Vol. 16, Issue 3, Pages: 265-272(1995)
- 作者机构：
  
  中国科学院长春物理研究所长春,130021
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：14 November 1994，
  
  Published：30 August 1995
- 稿件说明：
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刘立杰, 于荣金, 马少杰. 用有效折射率/有限元法设计1.55μmTi:LiNbO3单模条波导及其方向耦合器[J]. 发光学报, 1995,16(3): 265-272

Liu Lijie, Yu Rongjin, Ma Shaojie. DESIGN λ=1.55μm Ti:LiNbO3 SINGLE-MODE STRIPE WAVEGUIDES AND DIRECTIONAL COUPLERS WITH EI-FEM[J]. Chinese Journal of Luminescence, 1995,16(3): 265-272
刘立杰, 于荣金, 马少杰. 用有效折射率/有限元法设计1.55μmTi:LiNbO3单模条波导及其方向耦合器[J]. 发光学报, 1995,16(3): 265-272 DOI：

Liu Lijie, Yu Rongjin, Ma Shaojie. DESIGN λ=1.55μm Ti:LiNbO3 SINGLE-MODE STRIPE WAVEGUIDES AND DIRECTIONAL COUPLERS WITH EI-FEM[J]. Chinese Journal of Luminescence, 1995,16(3): 265-272 DOI：

摘要

应用有效折射率/有限元法(EI-FEM)

考虑到LiNbO

晶体和Ti扩散的各向异性

折射率增量与寻常光、非寻常光及波长色散的关系

设计了1.55μm光波长下工作的z切y传播Ti:LiNbO

单模条波导的制备参数

计算和分析了其单模特性、模式场分布及其变化规律.扩展了EI-FEM

将其用于求解耦合波导系统

确定了方向耦合器的耦合长度及其波长色散特性.

Abstract

In this paper

the effective index-finite element method (EI-FEM) is employed to design the fabrication parameters for z-cut

y-propagation Ti:LiNbO

single-mode stripe waveguides at the operation wavelength λ=1.55μm.The mode characteristics and the mode field distributions are also calculated and analyzed.Then

the EI-FEM is further developed for calculating the coupling length and it's wavelength sensitivity of Ti:LiNbO

waveguide directional couplers.

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