DocumentCode
1321967
Title
Large single-mode rib waveguides in GeSi-Si and Si-on-SiO2
Author
Soref, Richard A. ; Schmidtchen, Joachim ; Petermann, Klaus
Author_Institution
Rome Lab., Hanscom AFB, MA, USA
Volume
27
Issue
8
fYear
1991
fDate
8/1/1991 12:00:00 AM
Firstpage
1971
Lastpage
1974
Abstract
Mode-matching and beam-propagation methods are used to analyze single-mode operation of optical GeSi-Si and Si-SiO2 semiconductor rib waveguides. The waveguide dimensions that allow only the fundamental HE00 or EH00 mode to propagate have been determined. For both material systems, it is found that the rib can be several microns wide and several microns high, thus allowing efficient coupling to single-mode fibers. Numerical examples are given for monomode guiding group-IV materials, but the results apply to III-V rib waveguides. It is shown that single-mode rib guides with large cross sections are feasible as long as the waveguide is at least several millimeters long
Keywords
germanium compounds; integrated optics; optical waveguide theory; silicon; silicon compounds; EH00 mode; GeSi-Si; HE00 modes; III-V rib waveguides; Si-SiO2; beam-propagation methods; fibre coupling; large cross sections; material systems; mode matching; monomode guiding group-IV materials; optical planar waveguides; semiconductor rib waveguides; single-mode fibers; single-mode operation; single-mode rib waveguides; waveguide dimensions; Helium; Optical propagation; Optical refraction; Optical variables control; Optical waveguides; Polarization; Ribs; Semiconductor materials; Semiconductor waveguides; Slabs;
fLanguage
English
Journal_Title
Quantum Electronics, IEEE Journal of
Publisher
ieee
ISSN
0018-9197
Type
jour
DOI
10.1109/3.83406
Filename
83406
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