Self-localized topological states in three dimensions
Optics
2022-05-24 v1 Strongly Correlated Electrons
Pattern Formation and Solitons
Abstract
Three-dimensional (3D) topological materials exhibit much richer phenomena than their lower-dimensional counterparts. Here, we propose self-localized topological states (i.e., topological solitons) in a 3D nonlinear photonic Chern insulator. Despite being in the bulk and self-localized in all 3D, the topological solitons at high-symmetry points K and K' rotate in the same direction, due to the underlying topology. Specifically, under the saturable nonlinearity the solitons are stable over a broad frequency range. Our results highlight how topology and nonlinearity interact with each other and can be extended to other 3D topological systems.
Cite
@article{arxiv.2205.10532,
title = {Self-localized topological states in three dimensions},
author = {Rujiang Li and Pengfei Li and Yongtao Jia and Ying Liu},
journal= {arXiv preprint arXiv:2205.10532},
year = {2022}
}