Quantum cascade lasers with large optical waveguides

被引：22

作者：

Gresch, T ^{[1
]}

Giovannini, M ^{[1
]}

Hoyer, N ^{[1
]}

Faist, J ^{[1
]}

机构：

[1] Univ Neuchatel, Inst Phys, CH-2000 Neuchatel, Switzerland

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2006年 / 18卷 / 1-4期

关键词：

optical waveguides; quantum-well devices; semiconductor epitaxial layers; semiconductor heterojunction; semiconductor lasers; semiconductor waveguides;

D O I：

10.1109/LPT.2005.863633

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：

Quantum cascade lasers with large optical cavities that exhibit low waveguide losses, high saturation intensities, and low beam divergence, emitting between lambda approximate to 4.3 and 5.2 mu m were studied. Peak-pulsed powers up to 14 W at 15 K and 5 W at 280 K at lambda approximate to 5.2 mu m are demonstrated. A full-width at half-maximum of only 30 degrees was measured for the transverse far-field pattern of the device operating at A approximate to 4.3 mu m, a significant reduction compared to conventional waveguides.

引用

页码：544 / 546

页数：3

共 8 条

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