Quantized topological transport mediated by the long-range couplings
Optics
2025-12-12 v2 Mesoscale and Nanoscale Physics
Abstract
Certain topological systems with time-varying Hamiltonian enable quantized and disorder-robust transport of excitations. Here, we introduce the modification of the celebrated Thouless pump when the on-site energies remain fixed, while the nearest and next-nearest neighbor couplings vary in time. We demonstrate quantized transport of excitations and propose an experimental implementation using an array of evanescently coupled optical waveguides.
Cite
@article{arxiv.2509.13553,
title = {Quantized topological transport mediated by the long-range couplings},
author = {Ekaterina S. Lebedeva and Maxim Mazanov and Alexey V. Kavokin and Maxim A. Gorlach},
journal= {arXiv preprint arXiv:2509.13553},
year = {2025}
}
Comments
6 pages main + 14 pages of Supplementary Materials