Archive > Volume 20 Issue 1 > 2024,20(1):23-27. DOI:https://doi.org/10.1007/s11801-024-3088-3 CSTR:[cstr] Prev Next
An all-optical 12 de-multiplexer based on two-dimen- sional nonlinear photonic crystal ring resonators
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Abstract:
In this work, a new configuration of an all-optical nonlinear de-multiplexer gate based on two-dimensional (2D) photonic crystals (PhC) is proposed. The gate is considered in the double-ring resonator shaped structure of silicon rods. In order to have a more functional structure, some defect rods made of nonlinear materials were positioned in the structure. Considering the functionality of the structure, photonic band gap (PBG), field distribution and transmitted power spectra are investigated. Plane wave expansion and finite difference time domain (FDTD) methods are utilized for extracting the PBG and field distribution diagrams. The remarkable dimension, bit rate, maximum intensity and contrast ratio of 116.64 μm2, 3.125 Tbit/s, 97% and 40.2 dB are obtained, respectively, which make the gate an appropriate candidate for utilization in optical integrated circuits.
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