Watt-Level Room Temperature Continuous-Wave Operation of Quantum Cascade Lasers With λ > 10 μm

被引：29

作者：

Xie, Feng ^{[1
]}

Caneau, Catherine ^{[1
]}

Leblanc, Herve P. ^{[1
]}

Caffey, David P. ^{[2
]}

Hughes, Lawrence C. ^{[1
]}

Day, Timothy ^{[2
]}

Zah, Chung-en ^{[1
]}

机构：

[1] Corning Inc, Corning, NY 14831 USA

[2] Daylight Solut Inc, San Diego, CA 92128 USA

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2013年 / 19卷 / 04期

关键词：

Semiconductor lasers; quantum cascade lasers (QCLs);

D O I：

10.1109/JSTQE.2013.2240658

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：

In this paper, watt-level continuous-wave (CW) output powers at wavelengths longer than 10 mu m are demonstrated at room temperature with quantum cascade lasers (QCLs). CW output power of 1.15 W is demonstrated at lambda similar to 10.3 mu m for a QCL which has a 6-mm-long cavity and a 14-mu m-wide stripe. CW output power of 1.3 W is demonstrated at lambda similar to 10.7 mu m for a QCL which has 6-mm-long cavity and 11.5-mu m width, with a CW threshold current of 1.96 kA/cm(2). Moreover, 1-W kink-free CW output power is demonstrated with a laser with a 9.5-mu m-wide stripe. The maximum pulsed and CW wall plug efficiencies reached 10.4% and 4.8%, respectively, for the QCLs with lambda similar to 10.7 mu m.

引用

页数：7

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Watt-Level Room Temperature Continuous-Wave Operation of Quantum Cascade Lasers With λ &gt; 10 μm

Watt-Level Room Temperature Continuous-Wave Operation of Quantum Cascade Lasers With λ > 10 μm