DocumentCode
1946809
Title
Index-guided segmented gain-section laser
Author
Kim, S. ; Bryce, A.C. ; Marsh, J.H.
Author_Institution
Dept. of Electron. & Electr. Eng., Glasgow Univ., UK
fYear
2001
fDate
15-19 July 2001
Firstpage
38
Abstract
An index-guided laser with segmented gain-section was fabricated. A single-lobed Gaussian far field was obtained. Segmentation of the gain region by inserting multiple diffractive sections is thought to suppress higher order modes and filamentation.
Keywords
energy gap; laser beams; laser modes; optical fabrication; photoluminescence; quantum well lasers; refractive index; waveguide lasers; SEM; double quantum well layer; filamentation; gain-guided oxide stripe laser; higher order modes; index-guided laser; lateral mode operation; multiple diffractive sections; photoluminescence spectra; pulsed mode light-current characteristic; quantum well intermixing; ridge waveguide laser; segmented gain-section; single transverse mode; single-lobed Gaussian far field; spatial mode filters; Diffraction; Gallium arsenide; Image segmentation; Laser modes; Optical waveguides; Power generation; Power lasers; Ring lasers; Scanning electron microscopy; Waveguide lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location
Chiba, Japan
Print_ISBN
0-7803-6738-3
Type
conf
DOI
10.1109/CLEOPR.2001.968023
Filename
968023
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