Comprehensive analysis of electrically-pumped GaSb-based VCSELs

被引：18

作者：

Arafin, S. ^{[1
]}

Bachmann, A. ^{[1
]}

Vizbaras, K. ^{[1
]}

Hangauer, A. ^{[1
]}

Gustavsson, J. ^{[2
]}

Bengtsson, J. ^{[2
]}

Larsson, A. ^{[2
]}

Amann, M. -C. ^{[1
]}

机构：

[1] Tech Univ Munich, Walter Schottky Inst, D-85748 Garching, Germany

[2] Chalmers Univ Technol, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 18期

关键词：

ABSORPTION-SPECTROSCOPY; THERMAL-CONDUCTIVITY; CAVITY;

D O I：

10.1364/OE.19.017267

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper discusses several performance-related aspects of electrically-pumped GaSb-based buried tunnel junction VCSELs with an emission wavelength of 2.6 mu m based on theoretical and experimental results. These results allow a deeper insight into the internal device physics, such as radial diffusion of carriers, maximum continuous-wave operating temperature, diffraction loss, internal temperature, gain and loss parameters, internal quantum efficiency of the active region etc. These parameters can be taken into account while designing mid-infrared lasers which leads to an improved device performance. A simple thermal model of the devices based on the two-dimensional (2-D) finite element method using the material data from the literature is also presented. In addition, an application-based result utilizing these lasers for the measurement of absolute water vapor concentration by wavelength modulation spectroscopy (WMS) method are also described, hinting that devices are well-suited for the targeted sensing applications. (C) 2011 Optical Society of America

引用

页码：17267 / 17282

页数：16

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