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Light-Matter Interactions in Synthetic Magnetic Fields: Landau-Photon Polaritons

TitleLight-Matter Interactions in Synthetic Magnetic Fields: Landau-Photon Polaritons
Publication TypeJournal Article
Year of Publication2021
AuthorsD. De Bernardis, Z-P. Cian, I. Carusotto, M. Hafezi, and P. Rabl
JournalPhys. Rev. Lett.
Date PublishedMAR 10
Type of ArticleArticle

We study light-matter interactions in two-dimensional photonic systems in the presence of a spatially homogeneous synthetic magnetic field for light. Specifically, we consider one or more two-level emitters located in the bulk region of the lattice, where for increasing magnetic field the photonic modes change from extended plane waves to circulating Landau levels. This change has a drastic effect on the resulting emitter-field dynamics, which becomes intrinsically non-Markovian and chiral, leading to the formation of strongly coupled Landau-photon polaritons. The peculiar dynamical and spectral properties of these quasiparticles can be probed with state-of-the-art photonic lattices in the optical and the microwave domain and may find various applications for the quantum simulation of strongly interacting topological models.