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Improved Design of Photonic Crystal Based Multiplexer/Demultiplexer Devices

Selim, R and Pinto, Domenico and Obayya, Salah (2010) Improved Design of Photonic Crystal Based Multiplexer/Demultiplexer Devices. IET Optoelectronics, 4 (4). pp. 165-173. ISSN 1751-8768

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Abstract

In this paper, an improved design of photonic crystal (PhC)-based multiplexer/demultiplexer (MUXDEMUX) devices is presented. This is achieved using careful geometrical design of microcavities with respect to the coupling length of the propagating wave. The nature of the design means that a microcavity embedded between two waveguides selects a particular wavelength to couple from one waveguide into the adjacent waveguide showing high selectivity. The numerical technique used for the designs throughout this article is the complex envelope alternating direction implicit finite difference time domain (CE-ADI-FDTD). Also, improvements have been made on the performance of the perfectly matched layers (PML) by presenting an accurate physical model of discretisation error.

Item Type: Article
Journal or Publication Title: IET Optoelectronics
Subjects:
Departments: Faculty of Science and Technology > Engineering
ID Code: 56648
Deposited By: ep_importer_pure
Deposited On: 15 Aug 2012 15:56
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:55
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/56648

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