A new semirigorous analysis of rib waveguides

A semirigorous analysis of rib waveguides embedded in air is proposed. The analysis is based upon a scalar analysis and two different vectorial correction schemes, through either a perturbation formula or a scalar calculation with modified effective dimensions. The scalar field is computed with a ve...

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Bibliographic Details
Published in:Journal of lightwave technology 1990-01, Vol.8 (1), p.56-65
Main Authors: Vassallo, C., Wang, Y.-H.
Format: Article
Language:English
Subjects:
Applied sciences
Central Processing Unit
Circuit properties
Dielectrics
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Finite element methods
Integrated optics
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Optical device fabrication
Optical planar waveguides
Optical waveguides
Planar waveguides
Telecommunications
Waveguide theory
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Summary:A semirigorous analysis of rib waveguides embedded in air is proposed. The analysis is based upon a scalar analysis and two different vectorial correction schemes, through either a perturbation formula or a scalar calculation with modified effective dimensions. The scalar field is computed with a very efficient spectral technique. The method converges rapidly, and it compares favorably with recent work on rib waveguides. It can be extended to other planar structures, such as ridge waveguides.< >
ISSN:0733-8724
1558-2213
DOI:10.1109/50.45930