OPTICAL-PROPERTIES OF 2-DIMENSIONAL PHOTONIC CRYSTALS WITH GRAPHITE STRUCTURE

We present a study of the transmission coefficients of two-dimensional photonic band gap materials consisting of dielectric cylinders in gra phite arrangement. By the study of the attenuation versus slab thickne ss, we determine the most efficient graphite configuration. We show ho w uncoupled modes create opaque regions for plane waves propagating al ong the Gamma-P direction and widen the gap originating from the exist ence of forbidden photonic bands. Our results demonstrate that graphit e structure is a promising geometry yielding an attenuation as strong as triangular structure with greater convenience in the fabrication at the submicronic scale. (C) 1997 American Institute of Physics.