DFB laser diodes in the wavelength range from 760 nm to 2.5 μm

被引：40
作者：
Seufert, J
Fischer, M
Legge, M
Koeth, J
Werner, R
Kamp, M
Forchel, A
机构：
[1] Nanoplus Nanosyst & Technol GmbH, D-97218 Gerbrunn, Germany
[2] Univ Wurzburg, D-97074 Wurzburg, Germany
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2004年 / 60卷 / 14期
关键词：
DFB lasers; tunable diode laser spectroscopy;
D O I：
10.1016/j.saa.2003.11.043
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
We present a novel device technology to produce DFB laser diodes which are suitable for tunable diode laser spectroscopy. The new technological approach employs lateral metal distributed feedback (DFB) gratings in close proximity to the laser ridge which results in single mode emission with high spectral purity and output powers as required for most spectroscopic applications. Over the entire wavelength range from the visible (760 nm) up to the near-infrared (2.5 mum) single mode emission can be obtained for devices based on different semiconductor systems such as GaAs, InP and Gash. Typical side mode suppression ratios are better than 35 dB for cw-room temperature operation and narrow linewidths ensure high spectroscopic resolution. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：3243 / 3247
页数：5
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