Abstract
Incorporating with the supercell method, the simplified versions of triangular-lattice photonic crystal waveguides (PCWGs) are analyzed by plane wave expansion (PWE) method. These simplified PCWGs are composed of one or several layers of rods on both sides of the optical channels. The dispersion curves and the correspondent propagating field distributions are depicted in this paper. Furthermore, the transmission spectra of simplified triangular-lattice PCWGs with different layers of lateral rods are obtained and compared by finite-difference time-domain (FDTD) method.
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