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Updated: May 24, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
Coherent emission from a disordered organic semiconductor induced by strong coupling with surface plasmons
S Aberra Guebrou1, C Symonds, E Homeyer
1LPMCN, Université de Lyon, Université Lyon 1 and CNRS, UMR 5586, Villeurbanne, France.
Abstract:
In this Letter, we show that the strong coupling between a disordered set of molecular emitters and surface plasmons leads to the formation of spatially coherent hybrid states extended on macroscopic distances. Young-type interferometric experiments performed on a system of J-aggregated dyes spread on a silver layer evidence the coherent emission from different molecular emitters separated by several microns. The coherence is absent in systems in the weak-coupling regime demonstrating the key role of the hybridization of the molecules with the plasmon.
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