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Related Experiment Video

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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Effective Single-Mode Methodology for Strongly Coupled Multimode Molecular-Plasmon Nanosystems.

Marco Romanelli¹, Rosario Roberto Riso², Tor S Haugland²

¹Department of Chemical Sciences, University of Padova, via Marzolo 1, 35131 Padova, Italy.

|May 23, 2023

Summary

Strong coupling between molecules and quantized fields engineers molecular properties. This study introduces a feasible theoretical method to analyze multimode plasmonic effects for novel chemical insights.

Keywords:

coupled cluster theory plasmonics strong coupling

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Last Updated: Jul 29, 2025

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Area of Science:

Quantum Chemistry
Nanophotonics
Molecular Spectroscopy

Background:

Strong coupling between molecules and quantized fields modifies molecular properties.
Plasmonic nanocavities offer subnanometric field quantization for advanced applications.
Multimode plasmonic effects are crucial for understanding these interactions.

Purpose of the Study:

To develop a computationally feasible theoretical methodology for analyzing simultaneous effects of multiple plasmonic modes.
To accurately account for multimode effects in molecule-plasmon interactions.
To rationalize the nature of interactions between multiple plasmonic excitations and molecules.

Main Methods:

Development of a novel theoretical framework.
Simultaneous consideration of multiple plasmonic modes.
Computational analysis of molecule-plasmon interactions.

Main Results:

Accurate accounting for multimode effects in plasmonic systems.
Rationalization of the interaction mechanisms between molecules and multiple plasmonic excitations.
Demonstration of a computationally feasible approach for complex systems.

Conclusions:

The proposed theoretical methodology enables accurate analysis of multimode plasmonic phenomena.
This approach facilitates the exploration of novel chemical properties through engineered light-matter interactions.
The findings pave the way for advanced applications in single-molecule imaging and spectroscopy.