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The artificial immune system (AIS) and the finite element method (FEM) have been used to solve the inverse problem involving the search and the optimisation of the complete photonic bandgap (PBG) of photonic crystal structures with two dimensions periodicity. Triangular lattices composed of silicon (isotropic material) and air and square and triangular lattices composed of tellurium (anisotropic material)...
The power coupling efficiency between continuous and periodic segmented waveguides by using a segmented taper has been successfully and efficiently designed and optimized by a differential evolution algorithm in conjunction with the 2D finite element method.
This work consists in the optimization of the absolute photonic bandgap (PBG) in two dimensional crystalline structures composed of air and tellurium by using the evolutionary algorithm artificial immune system (AIS). In order to analyze its performance, the absolute PBG for the TM12 and TE34 modes of triangular lattices have been optimized. The propagation properties of the crystals were calculated...
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