Mid-infrared angled-grating distributed feedback laser

被引：36

作者：

Bartolo, RE ^{[1
]}

Bewley, WW

Vurgaftman, I

Felix, CL

Meyer, JR

Yang, MJ

机构：

[1] USN, Res Lab, Washington, DC 20375 USA

[2] Lab Phys Sci, College Pk, MD 20740 USA

来源：

APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 22期

关键词：

D O I：

10.1063/1.126617

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report near-diffraction-limited output from an angled-grating distributed feedback type-II W laser emitting near 3.4 mu m. For pulsed optical pumping of a 50-mu m-wide stripe at 78 K, the far-field beam divergence angle was only 1.4 degrees. The slope efficiency was 64% of that for a conventional Fabry-Perot laser on the same bar. However, the spectral linewidth decreased by only a factor of 2. The beam quality was substantially better than that for the Fabry-Perot laser out to stripe widths of at least 800 mu m. (C) 2000 American Institute of Physics. [S0003-6951(00)00422-8].

引用

页码：3164 / 3166

页数：3

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