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Proceedings Paper

Modeling of plasmonic semiconductor THz antennas in square and hexagonal array arrangements
Author(s): Soenke Gruessing; Bernd Witzigmann; Friedhard Roemer; Giovanni Capellini; Carlos Alvarado; Wolfgang M. Klesse; Elena Hardt; Jacob Piehler; Changjiang You; Julia Flesch
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Paper Abstract

Here, we present 3D solutions of Maxwell’s equations using the finite element method (FEM) for sub-wavelength plasmonic THz antennas in array configurations. We show that mutual coupling between neighboring antennas causes the arrays spectral response to change with different array densities and arrangements. The simulation results of the spectral response of the antennas are in very good agreement to the experiments. Finally, in order to investigate the sensing performance of the antennas, simulations with different feed gap materials were carried out.

Paper Details

Date Published: 2 March 2020
PDF: 7 pages
Proc. SPIE 11279, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII, 1127926 (2 March 2020); doi: 10.1117/12.2543553
Show Author Affiliations
Soenke Gruessing, Univ. Kassel (Germany)
Bernd Witzigmann, Univ. Kassel (Germany)
Friedhard Roemer, Univ. Kassel (Germany)
Giovanni Capellini, IHP GmbH (Germany)
Univ. degli Studi Roma Tre (Italy)
Carlos Alvarado, IHP GmbH (Germany)
Wolfgang M. Klesse, IHP GmbH (Germany)
Elena Hardt, IHP GmbH (Germany)
Jacob Piehler, Univ. Osnabrück (Germany)
Changjiang You, Univ. Osnabrück (Germany)
Julia Flesch, Univ. Osnabrück (Germany)

Published in SPIE Proceedings Vol. 11279:
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII
Laurence P. Sadwick; Tianxin Yang, Editor(s)

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