Modeling of plasmonic semiconductor THz antennas in square and hexagonal array arrangements
Autor(en): | Gruessing, S. Witzigmann, B. Roemer, F. Capellini, G. Alvarado, C. Klesse, W.M. Hardt, E. Piehler, J. You, C. Flesch, J. |
Herausgeber: | Sadwick, L.P. Yang, T. |
Stichwörter: | Antenna; Array configurations; Array densities; Bio-sensing; Field enhancement; Germanium; Hexagonal arrays; Maxwell equations; Mutual coupling; Plasmonic; Plasmonics; Proteins; Sensing performance; Spectral response; Sub-wavelength, Antenna arrays; Submillimeter waves; Terahertz waves, 3D solutions; THz | Erscheinungsdatum: | 2020 | Herausgeber: | SPIE | Journal: | Proceedings of SPIE - The International Society for Optical Engineering | Volumen: | 11279 | Zusammenfassung: | 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. © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only. |
Beschreibung: | Conference of Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII 2020 ; Conference Date: 3 February 2020 Through 6 February 2020; Conference Code:159244 |
ISBN: | 9781510633216 | ISSN: | 0277786X | DOI: | 10.1117/12.2543553 | Externe URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85083756205&doi=10.1117%2f12.2543553&partnerID=40&md5=d786594112bb7d88f67b07a3cf7ff01c |
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