Novel fast photonic crystal multiplexer-demultiplexer switches |
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| Authors: | R Selim D Pinto S S A Obayya |
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| Institution: | (1) School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, 610054, China;(2) Department of Computer Science and Electrical Engineering, Kyushu University, Fukuoka 812-8581, Japan |
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| Abstract: | In this paper, a 3 × 1 Multiplexer/Demultiplexer (MUX/DEMUX) Photonic Crystal (PhC) based structure is presented. This is
achieved by carefully considering the coupling length of the propagating wave and accurately engineering the geometrical design
of the microcavities. The design is highly selective, such that, a microcavity embedded between two waveguides selects a particular
wavelength to couple from one waveguide into an adjacent waveguide. The numerical technique used for the designs throughout
this paper is the Complex Envelope Alternating Direction Implicit Finite Difference Time Domain (CE-ADI-FDTD). |
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