Moiré-induced optical non-linearities: Single and multi-photon resonances

Abstract

Moiré excitons promise a new platform with which to generate and manipulate hybrid quantum phases of light and matter in unprecedented regimes of interaction strength. We explore the properties in this regime, through studies of a Bose-Hubbard model of excitons coupled to cavity photons. We show that the steady states exhibit a rich phase diagram with pronounced bi-stabilities governed by multi-photon resonances reflecting the strong inter-exciton interactions. In the presence of an incoherent pumping of excitons we find that the system can realise one- and multi-photon lasers.

arXiv comment5 + 9 pages, 4+6 figures

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Cited by in corpus (14)

• Exciton optics, dynamics and transport in atomically thin semiconductors
• Localization and interaction of interlayer excitons in MoSe${}_2$/WSe${}_2$ heterobilayers
• Nonlinear optics in 2D materials: from classical to quantum
• Mott-moiré excitons
• Nonequilibrium thermodynamics and power generation in open quantum optomechanical systems
• Non-bosonic moiré excitons
• Polaritons in an electron gas -- quasiparticles and Landau effective interactions
• Intercavity polariton slows down dynamics in strongly coupled cavities
• Strong photon interactions from weakly interacting particles
• Collective optical properties of moiré excitons
• Electrically tunable and enhanced nonlinearity of moiré exciton-polaritons in transition metal dichalcogenide bilayers
• A solvable model for strongly interacting nonequilibrium excitons
• Polaritonic Machine Learning for Graph-based Data Analysis
• Non-local interactions and supersolidity of moiré excitons