ANALYSIS OF THE THERMAL PROPERTIES OF GaInAs QUANTUM CASCADE LASERS

被引：0

作者：

Concepcion, O. ^{[1
]}

Abelenda, A. ^{[1
]}

Gonzalez, J. C. ^{[2
]}

Sanchez, M. ^{[1
]}

机构：

[1] Univ La Habana, Fac Fis, Havana, Cuba

[2] Univ Fed Minas Gerais, Dpto Fis, Belo Horizonte, MG, Brazil

来源：

REVISTA CUBANA DE FISICA | 2015年 / 32卷 / 01期

关键词：

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A study of the temperature distribution of GaInAs/AlInAs quantum cascade lasers (QCLs) is presented. The heat conduction equation was solved using a finite-element method and a two-dimensional anisotropic heat-flow model. The thermal resistance (Rth) was calculated and compared with experimental results reported by other authors obtaining a good agreement. Comparison of heat dissipation in a double channel (DC) and buried heterostructure (BH) was performed analyzing the influence of the ridge height. The effect of materials used as: heat-sink, capping and insulation layer were evaluated. The results show that a DC-QCL with a deep-ridge waveguide, using: InP as top capping layer, Si3N4 as insulation layer, and graphene as heat-sink presents a better performance than a BH-QCL.

引用

页码：15 / 19

页数：5

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