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Updated: Jun 12, 2025

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

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Published on: July 21, 2018

Collective multimode strong coupling in plasmonic nanocavities.

Angus Crookes¹, Ben Yuen¹, Angela Demetriadou¹

¹School of Physics and Astronomy, University of Birmingham, B15 2TT Birmingham, UK.

Nanophotonics (Berlin, Germany)

|June 5, 2025

Summary

This summary is machine-generated.

Off-resonant plasmonic modes are crucial for strong coupling in nanocavities, revealing novel collective interactions. This research enhances understanding of quantum dynamics and ultra-fast energy transfer in quantum technologies.

Keywords:

cavity QED multimode nanocavities plasmonics quantum strong coupling

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Area of Science:

Quantum optics
Plasmonics
Nanotechnology

Background:

Plasmonic nanocavities offer access to quantum properties of matter.
Current models often oversimplify nanocavities to single modes, ignoring complex multimode structures.

Purpose of the Study:

To investigate the role of off-resonant plasmonic modes in strong coupling.
To identify and characterize novel collective interactions in plasmonic systems.
To understand quantum dynamics in realistic plasmonic environments.

Main Methods:

Analysis of off-resonant plasmonic modes in strong coupling regimes.
Modeling of oscillation frequencies based on coupling strengths and detuning.
Identification of distinct coupling regions: single mode, multimode, and collective multimode.

Main Results:

Off-resonant modes are critical for strong coupling and collective interactions.
n coupled plasmonic modes generate up to n(n + 1)/2 oscillation frequencies.
Three distinct coupling regions were identified as coupling strength increases.

Conclusions:

Realistic plasmonic environments exhibit complex multimode behavior crucial for quantum effects.
Findings advance the understanding of quantum dynamics in plasmonic nanocavities.
Demonstrated potential for ultra-fast energy transfer in light-driven quantum technologies.