Filament displacement and refraction losses in a stripe-geometry AIGaAs d.h. laser
作者:
D.Kerps,
期刊:
IEE Proceedings I (Solid-State and Electron Devices)
(IET Available online 1980)
卷期:
Volume 127,
issue 2
页码: 94-97
年代: 1980
DOI:10.1049/ip-i-1.1980.0017
出版商: IEE
数据来源: IET
摘要:
The far-field, near-field and waist-intensity distributions are investigated in the nonlinear flux-current regime (kink) of a stripe-geometry d.h. laser at each of its two facets. The results are interpreted as a displacement of a deformable light guide or filament within the laser stripe, which acts as an additional built-in antiguide. Asymmetries in the far-field side-lobe intensities indicate enhanced refraction losses of the displaced filament towards that antiguide boundary towards which the near field moves and the far-field main lobe turns.
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