Effectiveness of inserting an InGaN interlayer to improve the performances of InGaN-based blue-violet laser diodes

被引：1

作者：

Li, Xiang ^{[1
]}

Zhao, Degang ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2016年 / 14卷 / 06期

基金：

中国国家自然科学基金;

关键词：

POLARIZATION; EFFICIENCY;

D O I：

10.3788/COL201614.062502

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Electron leakage still needs to be solved for InGaN-based blue-violet laser diodes (LDs), despite the presence of the electron blocking layer (EBL). To reduce further electron leakage, a new structure of InGaN-based LDs with an InGaN interlayer between the EBL and p-type waveguide layer is designed. The optical and electrical characteristics of these LDs are simulated, and it is found that the adjusted energy band profile in the new structure can improve carrier injection and enhance the effective energy barrier against electron leakage when the In composition of the InGaN interlayer is properly chosen. As a result, the device performances of the LDs are improved.

引用

页数：5

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