Single-mode tapered quantum cascade lasers

doi:10.1063/1.4804261

2013-05-06

PRE

DOI：10.1063/1.4804261

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摘要

En 中文

We demonstrate tapered quantum cascade lasers monolithically integrated with a distributed Bragg reflector acting as both a wavelength-selective back mirror and a transverse mode filter. Each of the 14 devices operates at a different wavelength between 9.2 and 9.7 mu m, where nine devices feature single-mode operation at peak powers between 0.3 and 1.6W at room temperature. High output power and excellent beam quality with peak brightness values up to 1.6 MW cm(-2) sr(-1) render these two-terminal devices highly suitable for stand-off spectroscopy applications. (C) 2013 AIP Publishing LLC.

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期刊

Applied Physics Letters

IF:

3.6

论文数:

10.4W

被引数:

17.8W

机构

lincoln laboratory

学者数:

970

论文数: 506

被引数: 0

Harvard University

学者数:

26.5W

论文数: 22.0W

被引数: 28.7W

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