Method for analysing trapezoidal optical waveguides by an equivalent rectangular rib waveguide
- 10 November 1988
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 24 (23) , 1414-1415
- https://doi.org/10.1049/el:19880966
Abstract
We present a simple analysis, using first-order perturbation theory, to determine an equivalent rectangular rib optical waveguide that will model the propagation characteristics of a trapezoidal rib optical waveguide. The results obtained from our method show excellent agreement with the results from the more accurate finite element method.Keywords
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