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Nonlinear compact localized modes in flux-dressed octagonal-diamond lattice

Stojanovic Mirjana, Gündoğdu S., Leykam Daniel, Angelakis Dimitrios, Stojanović Krasić Marija, Stepić M., Maluckov Aleksandra

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URI: http://purl.tuc.gr/dl/dias/530A9738-BFF7-4FCD-9B54-BDE0622C09C6
Year 2022
Type of Item Peer-Reviewed Journal Publication
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Bibliographic Citation M. G. Stojanović, S. Gündoğdu, D. Leykam, D. G. Angelakis, M. Stojanović Krasić, M. Stepić and A. Maluckov “Nonlinear compact localized modes in flux-dressed octagonal-diamond lattice,” Phys. Scr., vol. 97, no. 3, Feb. 2022, doi: 10.1088/1402-4896/ac5357. https://doi.org/10.1088/1402-4896/ac5357
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Summary

Tuning the values of artificial flux in the two-dimensional octagonal-diamond lattice drives topological phase transitions, including between singular and non-singular flatbands. We study the dynamical properties of nonlinear compact localized modes that can be continued from linear flatband modes. We show how the stability of the compact localized modes can be tuned by the nonlinearity strength or the applied artificial flux. Our model can be realized using ring resonator lattices or nonlinear waveguide arrays.

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