Spectral and spatial single mode emission from a photonic crystal distributed feedback laser

被引：18
|
作者：
Hofmann, H. [1 ]
Scherer, H. [1 ]
Deubert, S. [1 ]
Kamp, M. [1 ]
Forchel, A. [1 ]
机构：
[1] Tech Phys, D-97074 Wurzburg, Germany
来源：
APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 12期
关键词：
D O I：
10.1063/1.2716972
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The authors report on the fabrication and characterization of photonic crystal distributed feedback lasers, which are a generalization of distributed feedback and angled distributed feedback lasers. Spectral and spatial mode selection is provided by a two-dimensional, rectangular lattice of etched air holes that is tilted relatively to the cleaved facets. InGaAs/AlGaAs laser layers emitting around 1 mu m were used for the fabrication of the devices. The laser emits at a single wavelength with a side mode suppression ratio of 50 dB. The emission is concentrated in a narrow far field, indicating that a coherent mode is formed over the entire width of the device. (c) 2007 American Institute of Physics.
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页数：3
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