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Floquet Edge Multicolor Solitons
Sergey K. Ivanov, Yaroslav V. Kartashov, Alexander Szameit +2
Topological insulators are unique physical structures that are insulators in their bulk, but support currents at their edges which can be unidirectional and topologically protected…
Multi-frequency solitons in commensurate-incommensurate photonic moiré lattices
Yaroslav V. Kartashov, Fangwei Ye, Vladimir V. Konotop +1
We predict that photonic moiré patterns created by two mutually twisted periodic sublattices in quadratic nonlinear media allow the formation of parametric solitons under condition…
Unidirectional guided resonances in anisotropic waveguides
Samyobrata Mukherjee, Jordi Gomis-Bresco, David Artigas +1
We show that anisotropic planar anti-guiding waveguide structures with two radiation channels towards the surrounding cladding materials can support unidirectional guided resonance…
Nonlinear second-order photonic topological insulators
Marco S. Kirsch, Yiqi Zhang, Mark Kremer +7
Higher-order topological insulators (HOTI) are a novel topological phase beyond the framework of the conventional bulk-boundary correspondence. In these peculiar systems, the topol…
Topological dipole Floquet solitons
Sergey K. Ivanov, Yaroslav V. Kartashov, Matthias Heinrich +3
We theoretically introduce a new type of topological dipole solitons propagating in a Floquet topological insulator based on a kagome array of helical waveguides. Such solitons bif…
Reversible Self-Replication of Spatio-Temporal Kerr Cavity Patterns
Salim B. Ivars, Yaroslav V. Kartashov, Lluis Torner +2
We uncover a novel and robust phenomenon that causes the gradual self-replication of spatiotemporal Kerr cavity patterns in cylindrical microresonators. These patterns are inherent…