Thermal crosstalk in 4x4 vertical-cavity surface-emitting laser arrays

被引：35

作者：

Wipiejewski, T ^{[1
]}

Young, DB ^{[1
]}

Thibeault, BJ ^{[1
]}

Coldren, LA ^{[1
]}

机构：

[1] UNIV CALIF SANTA BARBARA,DEPT ELECT & COMP ENGN,SANTA BARBARA,CA 93106

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1996年 / 8卷 / 08期

关键词：

D O I：

10.1109/68.508710

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We measured thermal crosstalk in 4 x 4 VCSEL arrays with a 30-mu m pitch between devices. The effective thermal resistance of laser diodes in two-dimensional (2-D) arrays is about 50% higher than that of single elements. The output power of the lasers is fairly temperature insensitive under constant voltage operation. From experiments we inferred values for the average thermal conductivity of AlAs-GaAs Bragg reflectors. We found anisotropy in the effective thermal conductivity with numbers of 0.28 W/(cmK) and 0.35 W/(cmK) for the transverse and lateral direction, respectively.

引用

页码：980 / 982

页数：3

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