Abstract
A wide range of photonic guided-wave devices may be modeled by using rigorous numerical approaches based on the finite element method (FEM). In this work, representative modal solutions for linear, nonlinear, anisotropic, passive and active waveguides are discussed. Photonic devices incorporating several butt-coupled uniform waveguide sections, such as optical modulators, switches, filters, polarizers and spot-size converters are analyzed by using a combination of the least squares boundary residual method and the FEM.
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