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Nonlinearity-Induced Suppression of Dissipation in Bath-Coupled Floquet Topological Insulators
Abstract
Topological insulators can host chiral, disorder-robust edge states that dissipate energy when coupled to an external bath. We show that nonlinear interactions enable all-optical control over edge-state dissipation in a laser-written Floquet topological insulator periodically coupled to a photonic bath. Although moderate nonlinearity enhances dissipation due to mode mixing, increasing the nonlinear strength to an optimal value dramatically suppresses dissipation by forming highly localized traveling edge solitons. These results establish engineered system-bath coupling and nonlinear interactions as a route to suppress dissipation of chiral topological edge transport.
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BibTeX
@misc{chaurasia2026nonlinearityinduced,
title = {{Nonlinearity-Induced Suppression of Dissipation in Bath-Coupled Floquet Topological Insulators}},
author = {Bhoomija Chaurasia and Sebabrata Mukherjee},
howpublished = {arXiv},
year = {2026},
month = nov,
doi = {10.48550/arxiv.2611.04752},
eprint = {2611.04752},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2611.04752},
}
RIS
TY - UNPB
TI - Nonlinearity-Induced Suppression of Dissipation in Bath-Coupled Floquet Topological Insulators
AU - Bhoomija Chaurasia
AU - Sebabrata Mukherjee
PY - 2026
DA - 2026/11/03
PB - arXiv
DO - 10.48550/arxiv.2611.04752
UR - https://arxiv.org/abs/2611.04752
AB - Topological insulators can host chiral, disorder-robust edge states that dissipate energy when coupled to an external bath. We show that nonlinear interactions enable all-optical control over edge-state dissipation in a laser-written Floquet topological insulator periodically coupled to a photonic bath. Although moderate nonlinearity enhances dissipation due to mode mixing, increasing the nonlinear strength to an optimal value dramatically suppresses dissipation by forming highly localized traveling edge solitons. These results establish engineered system-bath coupling and nonlinear interactions as a route to suppress dissipation of chiral topological edge transport.
ER -