北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2007, Vol. 30 ›› Issue (1): 71-75.doi: 10.13190/jbupt.200701.71.reny

• 论文 • 上一篇    下一篇

垂直腔面发射激光器的横模竞争特性研究

任 彦1, 俞重远1, 2, 郑世奇1, 2, 程俊强1, 2   

  1. 1. 北京邮电大学 理学院, 北京 100876; 2. 北京邮电大学 光通信与光波技术教育部重点实验室, 北京 100876
  • 收稿日期:2005-01-01 修回日期:1900-01-01 出版日期:2007-03-30 发布日期:2007-03-30
  • 通讯作者: 任 彦

Investigation on Transverse Modes Competition Characteristics of Vertical-Cavity Surface-Emitting Lasers

REN Yan1, YU Zhong-yuan1, 2, ZHENG Shi-qi1,2, CHENG Jun-qiang1,2   

  1. 1. School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China;
    2. Key Laboratory of Optical Communication and Lightwave Technologies, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Received:2005-01-01 Revised:1900-01-01 Online:2007-03-30 Published:2007-03-30
  • Contact: REN Yan1

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摘要：

基于多模的速率方程组，建立了一个垂直腔面发射激光器的二维模型，利用数值模拟分析了电极的形状、位置以及注入电流强度对激光器横模竞争特性的影响，同时考虑了光波模式角向注入电流分布的不均匀性，分析了角向不均匀注入电流对激光器输出模式的影响. 结果表明，注入电流的强度、轮廓对垂直腔面发射激光器的模式行为起着重要的作用.

关键词: 垂直腔面发射激光器, 模式竞争, 速率方程

Abstract:

A two-dimensional rate equation model of vertical-cavity surface-emitting lasers (VCSELs) was built up based on the multimode rate equations. The influences of the shape and position of injection contact electrode and intensity of the injection current on the transverse-mode characteristics of VCSELs were investigated by numerical simulation, and the azimuthally non-uniformity of the injection current was taken into account, the dependency of laser modes on different kinds of spatially periodical current was investigated. Numerical results show showed that the intensity and profile of injection current play played important roles in determining the mode behaviors of VCSELs.

Key words: vertical-cavity surface-emitting lasers, modes competition, rate equation

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