Abstract
Summary form only given. Much attention has been recently focused on the investigation of photonic band gap (PBG) structures. In particular, it was demonstrated that unusual dispersion properties of such structures allow compact tunable optical delay lines to be implemented, parameters of short laser pulses to be controlled, and nonlinear-optical interactions to be phase-matched. We employ the finite difference time-domain (FDTD) technique to analyze the propagation of a light beam in a two-dimensional (2D) PBG structure with a defect. We performed FDTD simulations for macroporous-silicon 2D PBG structures consisting of five to ten periods of cylindrical air holes arranged in a triangular lattice in silicon irradiated with a plane light wave.
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