Observation of Strong Coupling between an Inverse Bowtie Nano-Antenna and a Single J-aggregate

Abstract

We demonstrate strong coupling between a single J-aggregate and an inverse bowtie plasmonic structure, when the J-aggregate is located at a specific axial distance from the metallic surface. Three hybrid modes are clearly observed, witnessing a strong interaction, with a Rabi splitting of up to 290 meV, the precise value of which significantly depends on the orientation of the J-aggregate with respect to the symmetry axis of the plasmonic structure. We repeated our experiments with a set of triangular hole arrays, showing consistent formation of three or more hybrid modes, in good agreement with numerical simulations.

arXiv commentMain paper and then supporting infromation, one after the other, in the same pdf file. All in all - 26 pages 11 figures

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