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Coherent energy transfer in a self-assembled plasmonic lattice

Subject Area Physical Chemistry of Solids and Surfaces, Material Characterisation
Physical Chemistry of Molecules, Liquids and Interfaces, Biophysical Chemistry
Term from 2018 to 2023
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 404818834
 
Final Report Year 2023

Final Report Abstract

In this project, we have systematically characterized coherent energy transfer on localized and spatially extended plasmonic heterostructures. For this purpose, we coupled a small ensemble of quantum emitters with a spatially extended hybrid plasmonic lattice mode. The plasmonic features provide localized hot spots with strong light-matter interactions, while the Bragg lattice ensures spatial scale. To quantify these, we further developed spectroscopic methods for determining the transition dipole orientations of dye arrays in heterostructures within this project. Furthermore, precise surface modification and controlled deposition of nanoparticles was further developed within the project to obtain plasmonic cavity lattices. In the future, spatially resolved spectroscopy and large-scale self-arrangement of plasmonic cavities will allow us to capture the wave function of electronic excitation and its quantum correlations.

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