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Updated: Jun 18, 2025
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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
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Observation of coupling interaction between surface plasmons and Tamm plasmons.
Optics Letters
|August 2, 2024
Summary
Researchers experimentally observed an electromagnetically induced transparency (EIT)-like effect in a novel multilayer system. This phenomenon arises from the coupling of surface plasmons and Tamm plasmons, offering new possibilities for optical devices.
Area of Science:
- Photonics
- Plasmonics
- Optical Engineering
Background:
- Electromagnetically induced transparency (EIT) is crucial for optical storage and integrated photonic devices.
- EIT-like effects in hybrid systems offer tunable optical properties.
Purpose of the Study:
- To experimentally demonstrate an EIT-like effect in a hybrid multilayer system.
- To investigate the coupling between surface plasmons (SPs) and Tamm plasmons (TPs).
Main Methods:
- Fabrication of a hybrid multilayer system with a silver grating on a silver/Bragg mirror and SiO2 spacer.
- Experimental measurement of reflection spectra.
- Finite-difference time-domain (FDTD) simulations for validation.
Main Results:
- Observation of a narrow reflection peak within a wide reflection dip, characteristic of an EIT-like effect.
- Experimental results align well with FDTD simulations.
- A redshift in the EIT-like spectrum's dip position was observed with increasing silver grating width.
Conclusions:
- The study successfully demonstrates an EIT-like effect in a novel hybrid multilayer structure.
- This provides a new method for generating EIT-like phenomena and manipulating light spectra in multilayer systems.
- The findings have implications for advanced optical storage and integrated photonic devices.
