Abstract
Two mode solvers based on the finite element and the mode matching methods are compared by way of analyzing rib waveguides. Differences between the normalized propagation constants provided by the two methods are always less than 10−4 which is at least about one order of magnitude smaller than previously reported values. Results for lossy waveguides and field comparison are also presented.
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Selleri, S., Petráček, J. Modal analysis of rib waveguide through finite element and mode matching methods. Optical and Quantum Electronics 33, 373–386 (2001). https://doi.org/10.1023/A:1010838716217
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DOI: https://doi.org/10.1023/A:1010838716217