HIGH-POWER CONVERSION EFFICIENCIES AND SCALING ISSUES FOR MULTIMODE VERTICAL-CAVITY TOP-SURFACE-EMITTING LASERS

被引：27

作者：

LEAR, KL

KILCOYNE, SP

CHALMERS, SA

机构：

[1] Sandia National Laboratories, Photonics Research Department, Albuquerque, NM

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1994年 / 6卷 / 07期

基金：

美国能源部;

关键词：

D O I：

10.1109/68.311452

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 report advances in the power conversion efficiencies of vertical-cavity top-surface-emitting lasers defined by proton implantation. Efficiencies as high as 13.4% and 15.8% have been obtained for single-mode and multimode operation, respectively. Scaling issues are addressed including the size dependence of threshold current, series resistance, lasing output power, and power conversion efficiency. We find that devices between 15 mum and 25 mum diameters show the highest power conversion efficiency due to the threshold current not scaling with the conductance and output power. Device geometries with contact apertures both equal to and less than (overlapping) the active region diameter were investigated.

引用

页码：778 / 781

页数：4

共 11 条

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