Dynamical Topological Phase Transitions in Nonlinear Su-Schrieffer-Heeger Lattices via Soliton Interactions

Domenico Bongiovanni,Dario Jukić,Zhichan Hu,Frane Lunić,Yi Hu,Daohong Song,Roberto Morandotti,Zhigang Chen,Hrvoje Buljan

conference on lasers and electro optics（2021）

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摘要

We demonstrate dynamical topological phase transitions entirely driven by nonlinearity, which constitute an example of emergent nonlinear topological phenomena. These transitions in our system occur due to soliton interactions forming Su-Schrieffer-Heeger lattices.

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关键词

(350.1370) Berry’s phase,(070.7345) Wave propagation,(190.6135) Spatial solitons

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