基于氮化镓的通信波段可调DFB激光器的研究

朱敏杰; 胡芳仁; 杨海艳

doi:10.7510/jgjs.issn.1001-3806.2016.01.013

基于氮化镓的通信波段可调DFB激光器的研究

1.
南京邮电大学光电工程学院, 南京 210046

作者简介: 朱敏杰(1990-),男,硕士研究生,现主要从事光通信与光波导技术的研究。.

通讯作者: 胡芳仁, hufr@njupt.edu.cn ;

基金项目:
国家自然科学基金资助项目(61274121);江苏省自然科学基金资助项目(BK2012829);南京邮电大学人才引进科研启动基金资助项目(NY212007)
中图分类号: TN242

Analysis of wavelength-tunable DFB laser based on GaN in communication band

1.
College of Photoelectronic Engineering, Nanjing University of Posts and Communications, Nanjing 210046, China

Corresponding author: HU Fangren, hufr@njupt.edu.cn ;

CLC number: TN242

摘要: 为了利用悬空的周期可调光栅控制激光器的波长输出,采用了微机电系统技术中微驱动器与分布反馈激光器光栅相结合的结构,根据严格耦合波理论和介质平板波导理论,针对光通信的C波段,利用有限元软件COMSOL,建立了基于氮化镓的波长可调分布反馈激光器2维稳态模型。分析了1550nm处2维电场模式图以及激射波长线宽图,得到了激射波长与光栅周期的对应关系。结果表明,在光栅厚度、高度以及增益层厚度等结构参量一定的情况下,激射波长与光栅周期呈现与理论分析基本一致的似线性关系。该研究为该器件设计以及制备的后期工作开展提供了理论指导意义。
- 激光技术 /
- 分布反馈激光器 /
- 氮化镓 /
- 波长可调 /
- C波段 /
- 微机电系统
Abstract: In order to control laser wavelengths output of laser by suspending period-adjustable gratings, a structure combining microdriver of micro-electro-mechanical system(MEMS) technology with grating of distributed feedback (DFB) laser was proposed. According to rigorous coupled-wave theory (RCWA) and medium slab waveguide theory, using infinite element software COMSOL, a two-dimensional steady physical model of wavelength-adjustable DFB laser based on GaN was constructed for C-band in optical communication. 2-D electric field mode picture and lasing wavelength linewidth picture at 1550nm were analyzed and the corresponding relationship between grating period and lasing wavelength was gotten. The results show that, with certain structural parameters such as grating lattice thickness, height and gain layer thickness, lasing wavelength and grating period present similar linear relationships being consistent with theoretical analysis. The study will give good theoretical guidance for carrying out the design and preparation of the device.
- laser technique /
- distributed feedback laser /
- GaN /
- wavelength-tunable /
- C-band /
- micro-electro-mechanical system

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基于氮化镓的通信波段可调DFB激光器的研究

作者简介: 朱敏杰(1990-),男,硕士研究生,现主要从事光通信与光波导技术的研究。.

通讯作者: 胡芳仁, hufr@njupt.edu.cn ;

Analysis of wavelength-tunable DFB laser based on GaN in communication band

Corresponding author: HU Fangren, hufr@njupt.edu.cn ;

计量

基于氮化镓的通信波段可调DFB激光器的研究

通讯作者: 胡芳仁, hufr@njupt.edu.cn;

作者简介: 朱敏杰(1990-),男,硕士研究生,现主要从事光通信与光波导技术的研究。

English Abstract

Analysis of wavelength-tunable DFB laser based on GaN in communication band

Corresponding author: HU Fangren, hufr@njupt.edu.cn

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留言板

基于氮化镓的通信波段可调DFB激光器的研究

作者简介: 朱敏杰(1990-),男,硕士研究生,现主要从事光通信与光波导技术的研究。.

通讯作者: 胡芳仁, hufr@njupt.edu.cn ;

Analysis of wavelength-tunable DFB laser based on GaN in communication band

Corresponding author: HU Fangren, hufr@njupt.edu.cn ;

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基于氮化镓的通信波段可调DFB激光器的研究

通讯作者: 胡芳仁, hufr@njupt.edu.cn;

作者简介: 朱敏杰(1990-),男,硕士研究生,现主要从事光通信与光波导技术的研究。

English Abstract

Analysis of wavelength-tunable DFB laser based on GaN in communication band

Corresponding author: HU Fangren, hufr@njupt.edu.cn

全文HTML

目录