Abstract
We present a novel proposal for an all-optical AND logic gate. It is designed based on line and point defects in two-dimensional photonic crystal (PC) rods in air with square lattice. Material of the rods is silicon with dielectric constant 11.56. Dimension of the proposed device is equal to 12.155×12.155 μm. The device elaborated has a simple structure consisting of two inputs – a main output and two idler outputs. Bit rate of the device is equal to 3·1012 bit/s. Maximum contrast ratio is 5.84 dB. It is a good candidate for optical integrated circuits.
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