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Updated: May 14, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
Compound resonance-induced coupling effects in composite plasmonic metamaterials
Arash Farhang1, S Anantha Ramakrishna, Olivier J F Martin
1Nanophotonics and Metrology Laboratory, Swiss Federal Institute of Technology Lausanne EPFL-STI-NAM, Station 11, CH-1015 Lausanne, Switzerland.
We investigated a compound plasmonic system of gold gratings and films. Our research identifies unique hybrid plasmon modes with both localized and propagating characteristics, tunable by structural parameters.
Area of Science:
- * Nanophotonics and Plasmonics
- * Condensed Matter Physics
Background:
- * Plasmonic systems exhibit unique light-matter interactions.
- * Understanding coupled plasmon modes is crucial for device applications.
Purpose of the Study:
- * To analyze a compound plasmonic system comprising a gold grating and thin gold film.
- * To identify and characterize localized, propagating, and hybrid plasmon modes.
- * To investigate the influence of structural parameters on spectral response.
Main Methods:
- * Computation of dispersion diagrams for various parameters.
- * Analysis of coupling and hybridization between plasmon modes.
- * Identification of compound plasmon modes with dual characteristics.
Main Results:
- * Identified distinct localized and propagating plasmon modes.
- * Revealed coupling and hybridization interactions between these modes.
- * Discovered compound plasmon modes exhibiting both localized and propagating behaviors.
- * Demonstrated the significant role of structural parameters in tuning spectral responses.
Conclusions:
- * Compound plasmonic systems offer rich plasmonic behaviors.
- * Hybrid modes with dual characteristics are achievable and controllable.
- * Structural design is key to tailoring spectral properties for advanced applications.
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