Influence of ordering on the polarization characteristics of GaInP vertical-cavity surface-emitting lasers

被引：9

作者：

Chen, YH

Wilkinson, CI

Woodhead, J

David, JPR

Button, CC

Robson, PN

机构：

[1] Dept. of Electron. and Elec. Eng., University of Sheffield, Sheffield S1 3JD, Mappin Street

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1997年 / 9卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

GaInP; Ordering; polarization; semiconductor lasers; strain; substrate orientation; VCSEL;

D O I：

10.1109/68.553066

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 investigate the polarization characteristics of GaInP vertical-cavity surface-emitting lasers (VCSEL's) as a function of substrate misorientation and quantum-well strain, All the structures investigated show dominant polarization along the [110] direction, The polarization selectivity is found to be essentially independent of QW strain but increases significantly as the substrate misorientation is reduced from 10 degrees to 3 degrees. These results provide clear experimental evidence that the major contribution to the polarization characteristics of GaInP VCSEL's is a consequence of ordering-induced gain anisotropy.

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收藏

页码：143 / 145

页数：3

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