Coupling Surface Plasmon Polariton Modes to Complementary THz Metasurfaces Tuned by Inter Meta‐Atom Distance
Source abstract
Abstract
The authors study the interaction of complementary terahertz (THz) split ring resonators with THz surface plasmon polaritons (SPPs) as a function of the meta‐atom distance. The THz transmission properties of 15 samples for which the array dimensions are varied keeping the resonator shape constant are investigated. The linewidth of the inductive‐capacitive (LC‐)resonance is decreasing with increasing meta‐atom distance, up to the frequency matching with the first SPP‐mode. The SPP‐mode couples to the narrow LC‐resonance leading to an anti‐crossing of the modes. In contrast, the narrow SPP‐mode tunes across the broader dipole‐like mode in orthogonal polarization. The excitation direction of the SPP‐mode is found to lie along the electric field polarization of the THz.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Plasmonic and Surface Plasmon Research · Metamaterials and Metasurfaces Applications · Thermal Radiation and Cooling Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute for Quantum Electronics ETH Zürich Zürich 8093 Switzerland
Paul Scherrer Institute Laboratory for Catalysis and Sustainable Chemistry Villigen 5232 Switzerland
Laboratoire Pierre Aigrain Ecole Normale Supérieure‐PSL Research University CNRS Université Pierre et Marie Curie‐Sorbonne Universités Université Paris Diderot Sorbonne Paris Cité 24 rue Lhomond 75231 Paris Cedex 05 France
Funding
European Research Council · Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
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