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The electro-optical channel drop switching in a photonic crystal waveguide-cavity side-coupling system is reported. The line waveguide is formed by removing a single row of dielectric cylinders. The twin optical microcavities side coupled between linear waveguides is studied by solving Maxwell's equations. We determine the general characteristics of the coupling element required to achieve channel...
Photonic crystals (PCs) have many potential applications because of their ability to control light-wave propagation. We proposed a novel tunable field-sensitive polarizer based on conventional waveguides and PC structures with nematic liquid crystals. Its properties were investigated numerically by using the plane wave expansion method and finite-difference time-domain method. The bandgaps can be...
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