Optical coatings by ion-beam sputtering deposition for long-wave infrared quantum cascade lasers

被引：17

作者：

Nguyen, J. ^{[1
]}

Yu, J. S. ^{[1
]}

Evans, A. ^{[1
]}

Slivken, S. ^{[1
]}

Razeghi, M. ^{[1
]}

机构：

[1] Northwestern Univ, Dept Elect Engn & Comp Sci, Ctr Quantum Devices, Evanston, IL 60208 USA

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 11期

关键词：

D O I：

10.1063/1.2353815

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors report on the development of high-reflection and multilayer antireflection coatings using ion-beam sputtering deposition for long-wave infrared (lambda similar to 9.4 mu m) quantum cascade lasers. A metallic high-reflection coating structure using Y2O3 and Au is demonstrated to achieve a high reflectance of 96.70%, and the use of a multilayer anti-reflection coating structure using PbTe and ZnO is demonstrated to achieve a very low reflectance of 1.64%. A 170% improvement of peak laser output power and a 169% increase in wall-plug efficiency are reported without any beam steering effects. (c) 2006 American Institute of Physics.

引用

页数：3

共 11 条

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