Abstract

We proposed a novel channel drop filter based on two dimensional (2-D) silicon hexagonal-lattice photonic crystals (PCs). The PC filters consist of hexagonal silicon nano-ring resonator and two terminal waveguides by removing arrays of air cylinders of the same trace arranged in the hexagonal lattice of a silicon thin plate. The effects of the coupling distance between resonator and waveguides are studied. By integrating dual nano-ring resonators to form the filter, we demonstrated a two-port channel drop function.

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