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Proceedings Paper

Dispersion characteristics of plasmonic waveguides for THz waves
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Paper Abstract

Today there is an increasing surge in Surface Plasmon based research and recent studies have shown that a wide range of plasmon-based optical elements and techniques have led to the development of a variety of active switches, passive waveguides, biosensors, lithography masks, to name just a few. The Terahertz (THz) frequency region of the electromagnetic spectrum is located between the traditional microwave spectrum and the optical frequencies, and offers a significant scientific and technological potential in many fields, such as in sensing, in imaging and in spectroscopy. Waveguiding in this intermediate spectral region is a major challenge. Amongst the various THz waveguides suggested, the metal-clad waveguides supporting surface plasmon modes waves and specifically hollow core structures, coated with insulating material are showing the greatest promise as low-loss waveguides for their use in active components and as well as passive waveguides. The H-field finite element method (FEM) based full-vector formulation is used to study the vectorial modal field properties and the complex propagation characteristics of Surface Plasmon modes of a hollow-core dielectric coated rectangular waveguide structure. Additionally, the finite difference time domain (FDTD) method is used to estimate the dispersion parameters and the propagation loss of the rectangular waveguide.

Paper Details

Date Published: 3 May 2013
PDF: 7 pages
Proc. SPIE 8775, Micro-structured and Specialty Optical Fibres II, 87750J (3 May 2013); doi: 10.1117/12.2021785
Show Author Affiliations
Christos Markides, Frederick Institute of Technology (Cyprus)
Charusluk Viphavakit, Frederick Institute of Technology (Cyprus)
Christos Themistos, Frederick Institute of Technology (Cyprus)
Michael Komodromos, Frederick Institute of Technology (Cyprus)
Kyriacos Kalli, Cyprus Univ. of Technology (Cyprus)
Anita Quadir, City Univ. London (United Kingdom)
Azizur Rahman, City Univ. London (United Kingdom)

Published in SPIE Proceedings Vol. 8775:
Micro-structured and Specialty Optical Fibres II
Kyriacos Kalli; Jiri Kanka; Alexis Mendez, Editor(s)

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