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Q: Fachverband Quantenoptik und Photonik

Q 6: Quantum Optics (Miscellaneous) I

Q 6.1: Hauptvortrag

Montag, 14. März 2022, 14:00–14:30, Q-H14

Quantum Cooperativity: from ideal quantum emitters to molecules — •Claudiu Genes — Max Planck Institute for the Science of Light, Erlangen, Germany

Light-matter platforms provide an optimal playground for the observation and exploitation of quantum cooperative effects. Quantum light, either multimode, as naturally arising in the quantum electromagnetic vacuum or single mode, as confined in the small volume of an optical resonator, can induce strong interactions among quantum emitters. At the level of ideal quantum emitters, recent proposals employing cooperativity aim at the design of extremely thin atom-thick metasurfaces with applications in nonlinear quantum optics or nano-optomechanics or acting as platforms for the study of topological quantum optics effects. For more complex quantum emitters, such as molecules, recent experiments hint towards strong modifications of material properties such as chemical reactivity, charge conductivity and energy transfer. In this talk, I will introduce the basic concepts of quantum cooperativity with emphasis on light-molecule platforms. Aside from a quick introduction into the physics of electron-vibron interactions, I will present recent results on cavity quantum electrodynamics with systems ranging from single molecules to mesoscopic ensembles.