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Title: Dispersion characteristics of plasmonic waveguides for THz waves
Authors: Markides, Christos 
Viphavakit, Charusluk 
Themistos, Christos 
Komodromos, Michael 
Kalli, Kyriacos 
Quadir, Anita 
Rahman, Azizur B M Moshiur 
Keywords: Dielectric coated guide;Finite-difference time-domain method (FDTD);Finite-element method (FEM);Surface plasmon;THz waveguide
Category: Electrical Engineering - Electronic Engineering - Information Engineering
Field: Engineering and Technology
Issue Date: 1-Apr-2013
Publisher: SPIE
Source: Micro-Structured and Specialty Optical Fibres II; Prague; Czech Republic; 15 April 2013 through 17 April 2013
metadata.dc.doi: 10.1117/12.2021785
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.
ISBN: 978-081949577-8
Rights: © 2013 SPIE.
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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