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Geometry of the PC slab with core and cladding index and . The upper cladding is lifted to show the interior structure. The triangular PC lattice is formed by cylinders of height , index , and radius , where is the lattice period.
(Color online) 2D plane wave reflectance spectra (BMM method) for a semi-infinite PC and 3D FDTD reflectance spectra for a Gaussian beam of width and incident on 16 layers of cylinders. Results are shown for and .
3D FDTD simulation showing the field component in the PC for two in-phase Gaussian beams launched with . The solid curves show the input (left) and output (right) powers in the slab and the dashed curves show the Gaussian envelopes of the input and output beams.
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