Light-matter interactions in synthetic magnetic fields: Landau-photon polaritons

• URL: http://arxiv.org/abs/2009.05952v2
• Date: Fri, 12 Mar 2021 08:12:13 GMT
• Title: Light-matter interactions in synthetic magnetic fields: Landau-photon polaritons
• Authors: Daniele De Bernardis, Ze-Pei Cian, Iacopo Carusotto, Mohammad Hafezi, Peter Rabl
• Abstract summary: We study light-matter interactions in two dimensional photonic systems in the presence of a spatially homogeneous synthetic magnetic field for light. 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.
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• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: 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 quasi-particles 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.

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