Buried heterostructure quantum cascade lasers with high continuous-wave wall plug efficiency

被引：143

作者：

Evans, A. ^{[1
]}

Darvish, S. R. ^{[1
]}

Slivken, S. ^{[1
]}

Nguyen, J. ^{[1
]}

Bai, Y. ^{[1
]}

Razeghia, M. ^{[1
]}

机构：

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

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 07期

关键词：

D O I：

10.1063/1.2770768

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 lambda similar to 4.7 mu m strain-balanced InP-based quantum cascade lasers with high wall plug efficiency and room temperature continuous-wave operation. The use of narrow-ridge buried heterostructure waveguides and thermally optimized packaging is presented. Over 9.3% wall plug efficiency is reported at room temperature from a single device producing over 0.675 W of continuous-wave output power. Wall plug efficiencies greater than 18% are also reported for devices at a temperature of 150 K, with continuous-wave output powers of more than 1 W. (c) 2007 American Institute of Physics.

引用

页数：3

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