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Spectral index method for rib waveguide analysis
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1989
Year
Spectral TheoryModal IndexWaveguidesEngineeringPhysicsOptical PropertiesSpectroscopyNatural SciencesApplied PhysicsSpectral AnalysisGuided-wave OpticComputational ElectromagneticsSemiconductor Rib WaveguidesWave EquationSpectral Index MethodPlanar Waveguide Sensor
A new model for semiconductor rib waveguides is presented which provides fast and accurate solutions of the wave equation. The model has been implemented on a personal computer and produces values for the modal index (neff) differing by less than 0.006% from those calculated using a sophisticated finite difference program.