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Strong light-matter interaction leads to the appearance of new states, i.e. exciton-polaritons, with photophysical properties rather distinct from their constituents. Recent developments in fabrication techniques allow us to make metallic structures with strong electric field confinement in nanoscale mode volumes, allowing for a facile assembly of strongly coupled systems at room temperature based...
Polymer-capped colloidal semiconductor quantum dots [1] offer a robust material system for time-resolved analysis and individual control of ultrafast charge carrier dynamics [2]. This goal necessitates a strong enhancement of light-matter interaction. In this work we demonstrate an efficient coupling of individual CdSe/CdS/PMMA quantum dots (QDs) to plasmonic resonators formed out of multiple concentric...
Compared to bulk gold, nanoparticles show significantly higher quantum yield of photoluminescence (PL) from d-band hole recombination [1]. It makes them attractive for cell imaging and biosensing. The underlying mechanism of the PL is a subject of intensive debates, although there are numerous reports on single-photon and multi-photon-induced PL of plasmonic particles and nanoparticle systems. Here,...
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