Vortex solitons in topological disclination lattices

Abstract: The existence of thresholdless vortex solitons trapped at the core of disclination lattices that realize higher-order topological insulators is reported. The study demonstrates the interplay between nonlinearity and higher-order topology in these systems, as the vortex state in the disclination lattice bifurcates from its linear topological counterpart, while the position of its propagation constant within the bandgap and localization can be controlled by its power. It is shown that vortex solitons are characterized by strong field confinement at the disclination core due to their topological nature, leading to enhanced stability. Simultaneously, the global discrete rotational symmetry of the disclination lattice imposes restrictions on the maximal possible topological charge of such vortex solitons. The results illustrate the strong stabilizing action that topologically nontrivial structures may exert on excited soliton states, opening new prospects for soliton-related applications.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Vortex solitons in topological disclination lattices ; volume:13 ; number:18 ; year:2024 ; pages:3495-3502 ; extent:8
Nanophotonics ; 13, Heft 18 (2024), 3495-3502 (gesamt 8)

Creator
Huang, Changming
Shang, Ce
Kartashov, Yaroslav V.
Ye, Fangwei

DOI
10.1515/nanoph-2023-0790
URN
urn:nbn:de:101:1-2408251658520.593387325087
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:27 AM CEST

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Associated

  • Huang, Changming
  • Shang, Ce
  • Kartashov, Yaroslav V.
  • Ye, Fangwei

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