Spontaneous topological transitions in a honeycomb lattice of exciton-polariton condensates due to spin bifurcations

Abstract

We theoretically explore nonresonantly pumped polaritonic graphene, a system consisting of a honeycomb lattice of micropillars in the regime of strong light-matter coupling. We demonstrate that, depending on the parameters of the structure, such as intensity of the pump and coupling strength between the pillars, the system shows rich variety of macroscopic ordering, including analogs of ferromagnetic, antiferromagnetic, and resonant valence bond phases. Transitions between these phases are associated with dramatic reshaping of the spectrum of the system connected with spontaneous appearance of topological order.

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Cited by in corpus (13)

• Non-reciprocal transport of Exciton-Polaritons in a non-Hermitian chain
• From the topological spin-Hall effect to the non-Hermitian skin effect in an elliptical micropillar chain
• Machine learning of phase transitions in nonlinear polariton lattices
• Photonic Berry curvature in double liquid crystal microcavities with broken inversion symmetry
• Optically induced topological spin-valley Hall effect for exciton polaritons
• All-optical linear polarization engineering in single and coupled exciton-polariton condensates
• Polariton vortex Chern insulator
• Spin-polarized antichiral exciton-polariton edge states
• Kibble-Zurek mechanism in polariton graphene
• Artificial polariton molecules
• Topological turbulence in spin-orbit-coupled driven-dissipative quantum fluids of light generates high angular momentum states
• Coherent transfer of topological domain walls
• Microcavity polaritons for topological photonics