Kruk, SergeySlobozhanyuk, AlekseiShorokhov, Alexander SKravchenko, Ivan IPoddubny, AlexanderKivshar, Yuri2020-06-24September9781943580330http://hdl.handle.net/1885/205484We demonstrate the topology-controlled third-harmonic generation from photonic edge states in zigzag arrays of silicon nanodisks. The harmonic generation is observed only for one direction of the plane-wave excitation, manifesting nonlinearity-induced nonreciprocal nature of the photonic topological states.This work was supported by the Australian Research Council. Numerical calculations are supported by the Russian Science Foundation (grant no.16-19-10538). Fabrication was conducted at the Center for Nanophase Materials Sciences, being a DOE Office of Science User Facility. This material is based upon the work supported by the Air Force Office of Scientific Research under award number FA2386-16-1-0002.application/pdfen-AU© OSA 2017201710.1364/FIO.2017.FTh4B.22020-01-19