Design and Analysis of the Wavelength-Tunable DFB Laser Based on AlN in 1310 nm-Band

CHEN Kai-wen; HU Fang-ren; WANG Fei

doi:10.13756/j.gtxyj.2016.04.010

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Design and Analysis of the Wavelength-Tunable DFB Laser Based on AlN in 1310 nm-Band

- Design and Analysis of the Wavelength-Tunable DFB Laser Based on AlN in 1310 nm-Band
- Study on Optical communication Issue 4, Pages: 31-33(2016)
- 作者机构：
  
  南京邮电大学光电工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2016.04.010
  CLC： TN248
- Published：2016，
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[1]陈凯文,胡芳仁,王斐.基于氮化铝的1310nm波段可调DFB激光器的设计[J].光通信研究,2016(04):31-33+48.

CHEN Kai-wen, HU Fang-ren, WANG Fei. Design and Analysis of the Wavelength-Tunable DFB Laser Based on AlN in 1310 nm-Band. [J]. (4):31-33(2016)
[1]陈凯文,胡芳仁,王斐.基于氮化铝的1310nm波段可调DFB激光器的设计[J].光通信研究,2016(04):31-33+48. DOI： 10.13756/j.gtxyj.2016.04.010.

CHEN Kai-wen, HU Fang-ren, WANG Fei. Design and Analysis of the Wavelength-Tunable DFB Laser Based on AlN in 1310 nm-Band. [J]. (4):31-33(2016) DOI： 10.13756/j.gtxyj.2016.04.010.

摘要

依据严格耦合波理论和介质平板波导理论

基于MEMS（微机电系统）技术

利用周期可调谐的布拉格光栅设计了一种基于氮化铝的波长可调DFB-LD（分布反馈激光器）。采用梳齿状驱动器驱动光栅动态调节

并利用有限元软件COMSOL对其在1 310nm波段进行模拟仿真。对激光器电场模式图进行分析

确定了DFB-LD的光栅结构参数。分析表明

激光器输出波长与光栅周期呈线性关系

且一个光栅周期对应多个不同的光栅高度值。在小于模式截止光栅高度的情况下呈20nm周期性分布。依据光栅周期和激射波长的关系

提出了制作1 290

330nm波段可调激光器的可能性。

Abstract

Based on the rigorous coupled-wave theory and medium slab waveguide theory

an AlN wavelength tunable distributed feedback laser is designed by Periodic tunable Bragg grating.The adjustable grating is actuated by comb-drive actuator according to the Micro-Electromechanical（MEMS）technology system and simulated by COMSOL software in 1 310 nm band.The parameters of the DFB laser grating structure are evaluated by analyzing the distribution of a two-dimensional electric mode.Also

the simulation results show that the lasing wavelength and grating period have similar linear relationships

which is consistent with the theoretical analysis.Moreover

one grating period corresponds to a number of different grating heights

and it demonstrates periodic distribution in a 20 nm range.Furthermore

according to the relationship between lasing wavelength and grating period

the possibility of making 1 290

330nm-band tunable lasers is presented in this paper.

关键词

氮化铝分布反馈激光器波长可调微机电系统

Keywords

AlNDFB-LDwavelength-tunableMEMS

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