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Improved bend waveguide design for terahertz transmission

Degirmenci, Elif and Landais, Pascal ORCID: 0000-0002-4807-0695 (2012) Improved bend waveguide design for terahertz transmission. IEEE Transactions on Terahertz Science & Technology, 2 (1). pp. 137-143. ISSN 2156-3446

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Abstract

Bending waveguides with 90 corners based on a two-dimensional photonic crystal with metallic cylinders arranged in a square lattice are studied for THz wave guiding. Considering single- and double-line defects, five different designs are investigated and assessed in terms of their transmission performance. A better structure is proposed by increasing the number of rods in the bending arc, thus achieving superior performance of the transmission characteristics in comparison to that of the former five designs. A comparison of the improved bend waveguide with a linear wave-guide shows a significant reduction of the bending losses. Trans-mission levels of up to 98% within a 2.5 THz bandwidth (from 1.2 to 3.7 THz) have been accomplished.

Item Type:Article (Published)
Refereed:Yes
Supervisor(s):Landais, Pascal
Uncontrolled Keywords:Photonic Crystals; Terahertz; Electromagnetism; Finite element method
Subjects:Engineering > Signal processing
Engineering > Electronic engineering
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering
Research Initiatives and Centres > Research Institute for Networks and Communications Engineering (RINCE)
Publisher:IEEE
Official URL:http://dx.doi.org/10.1109/TTHZ.2011.2177170
Copyright Information:© 2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:17971
Deposited On:28 Jan 2014 15:18 by Pascal Landais . Last Modified 26 Oct 2018 10:57

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