A new method based on finite-difference time-domain scheme for computing the band structure of 2D photonic crystals
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资源说明:A finite-difference time-domain (FDTD) scheme in Cartesian coordinate system is developed to analyze the guided-wave properties of a class of two-dimensional (2D) photonic crystals formed by square or triangular arrays of metal posts. With the application of the periodic boundary condition, the computing domain can be restricted to a unit cell. A modified Yee's grid is introduced to calculate the dispersive characteristic in the case of triangular lattice. As examples, several classic structures
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