Light emission by thermalized ensemble of emitters coupled to resonators

Hector Monin; Elise Bailly; Ilan Shlesinger; Julien Moreau; Jean-Paul Hugonin; Eva De Leo; Ferry Prins; Marion Dufour; Sandrine Ithurria; Benjamin Vest; Jean-Jacques Greffet

doi:10.1117/12.2567482

20 August 2020 Light emission by thermalized ensemble of emitters coupled to resonators

Hector Monin, Elise Bailly, Ilan Shlesinger, Julien Moreau, Jean-Paul Hugonin, Eva De Leo, Ferry Prins, Marion Dufour, Sandrine Ithurria, Benjamin Vest, Jean-Jacques Greffet

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Proceedings Volume 11460, Metamaterials, Metadevices, and Metasystems 2020; 114600J (2020) https://doi.org/10.1117/12.2567482
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

Optical antennas have become ubiquitous tools to enhance the spontaneous emission of atoms, molecules and quantum dots. In this presentation, we report a series of experimental results investigating the emission of light by ensembles of interacting emitters coupled to resonators. First, we report the observation of a strong plasmon−exciton coupling regime in a system consisting of a layer of nanoplatelets on top of a gold planar surface. Reflectometry measurements and mode analysis lead to the non-ambiguous derivation of a Rabi splitting between two polaritonic branches. Secondly, we investigate the polarized and directional emission of light by a patterned layer of nanoplatelets optically pumped. Models based on the paradigm of the Purcell effect mediated radiation fail to fully explain spectral and spatial features observed in such experiments, such as the emergence of spatial coherence or the suppression of quenching. We discuss and highlight the differences between emission by a single emitter and by a thermalized assembly of quantum emitters to show that a statistical framework is required to understand their interactions with optical antennas. Based on these considerations, we introduce a model of light emission by thermalized ensembles of emitters, and find good agreement between our model and experimental data.

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Hector Monin, Elise Bailly, Ilan Shlesinger, Julien Moreau, Jean-Paul Hugonin, Eva De Leo, Ferry Prins, Marion Dufour, Sandrine Ithurria, Benjamin Vest, and Jean-Jacques Greffet "Light emission by thermalized ensemble of emitters coupled to resonators", Proc. SPIE 11460, Metamaterials, Metadevices, and Metasystems 2020, 114600J (20 August 2020); https://doi.org/10.1117/12.2567482

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KEYWORDS

Resonators

Data modeling

Radiation effects

Optical antennas

Thermal modeling

Chemical species

Gold

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