Spectral dynamics of distributed feedback quantum cascade lasers

被引：14

作者：

Pflügl, C ^{[1
]}

Schrenk, W ^{[1
]}

Anders, S ^{[1
]}

Strasser, G ^{[1
]}

机构：

[1] Tech Univ Vienna, Inst Festkorperelekt, A-1060 Vienna, Austria

来源：

SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 2004年 / 19卷 / 04期

关键词：

D O I：

10.1088/0268-1242/19/4/111

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 investigated the shift in emission wavelength of GaAs-based distributed feedback quantum cascade lasers during pulsed operation. This shift is due to current-induced self-heating. Together with a fast detector this shift in the emission spectra can be used to investigate absorption lines in ammonium isotopes. The linewidth of these single mode devices was determined to be below 0.1 cm(-1). These measurements reveal the potential of these devices for chemical sensing.

引用

页码：S336 / S338

页数：3

共 9 条

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