Modulational instability and solitary waves in polariton topological insulators
By Y. Kartashov, D. Skryabin. 2016
138 citations recorded by the source corpus.
Optical microcavities supporting exciton–polariton quasi-particles offer one of the most powerful platforms for the investigation of the rapidly developing area of topological photonics in general, and of photonic topological insulators in particular. Energy bands of the microcavity polariton graphene are readily controlled by a magnetic field and influenced by the spin-orbit (SO) coupling effects, a combination leading to the formation of linear unidirectional edge states in polariton topological insulators as very recently predicted. In this work we depart from the linear limit of non-interacting polaritons and predict instabilities of the nonlinear topological edge states resulting in the formation of the localized topological quasi-solitons, which are exceptionally robust and immune to backscattering wave packets propagating along the graphene lattice edge. Our results provide a background for experimental studies of nonlinear polariton topological insulators and can influence other subareas of photonics and condensed matter physics, where nonlinearities and SO effects are often important and utilized for applications.
Subfields: Atomic and Molecular Physics, and Optics
View Paper: https://www.semanticscholar.org/paper/03fdab191d26ad51b4de81684df43e9c7f0b69c7
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In Atomic and Molecular Physics, and Optics
Citations in the corpus
- Topological photonics (2018, background): “…honeycomb lattices, the modulational instability of edge states and the consequent appearance of long-lived quasisoliton edge states were studied by Kartashov and Skryabin (2016), while, for kagome-shaped polariton lattices, topological edge solitons were studied by Gulevich et al. (2017).”
- Frontiers in multidimensional self-trapping of nonlinear fields and matter (2019, background): “[123] Y.”