ZnCdSe/ZnCdMgSe quantum cascade electroluminescence

被引：37

作者：

Franz, Kale J. ^{[1
]}

Charles, William O. ^{[2
]}

Shen, Aidong ^{[2
]}

Hoffman, Anthony J. ^{[1
]}

Tamargo, Maria C. ^{[3
]}

Gmachl, Claire ^{[1
]}

机构：

[1] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA

[2] CUNY City Coll, Dept Elect Engn, New York, NY 10031 USA

[3] CUNY City Coll, Dept Chem, New York, NY 10031 USA

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 12期

基金：

美国国家航空航天局; 美国国家科学基金会;

关键词：

D O I：

10.1063/1.2903135

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This letter reports electroluminescence emission from a ZnCdSe/ZnCdMgSe quantum cascade (QC) structure. With a two-well QC active region design, the II-VI heterostructure was grown lattice matched on an InP substrate by molecular beam epitaxy. Deep etched mesas were electrically pumped at current densities up to 10 kA/cm(2), producing optical emission centered near 4.8 mu m, in good agreement with the structure design. The light is predominantly TM polarized, confirming its intersubband origin. Electroluminescence was observed from 78 to 300 K. (C) 2008 American Institute of Physics.

引用

页数：3

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