Quantum Cascade Laser With Unilateral Grating

被引：1

作者：

Vaitiekus, Deivis ^{[1
]}

Revin, Dmitry G. ^{[1
]}

Kennedy, Kenneth L. ^{[2
]}

Zhang, Shiyong Y. ^{[2
]}

Cockburn, John W. ^{[1
]}

机构：

[1] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England

[2] Univ Sheffield, EPSRC Natl Ctr Technol 3 5, Sheffield S1 3JD, S Yorkshire, England

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2012年 / 24卷 / 23期

基金：

英国工程与自然科学研究理事会;

关键词：

Distributed feedback; lateral grating; quantum cascade laser; single mode; unilateral;

D O I：

10.1109/LPT.2012.2221274

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：

We report on distributed feedback quantum cascade lasers at a wavelength of 3.58 mu m operating at room temperature. Single-mode emission with a side-mode suppression ratio of 30 dB is achieved by manufacturing single-sided third-order lateral gratings. The devices exhibit watt level peak powers with a threshold current density of similar to 4.3 kA/cm(2) at room temperature and remain in single-mode operation over the temperature range of 280-420 K.

引用

页码：2112 / 2114

页数：3

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