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Nonlinear signatures of Floquet band topology

Maluckov Aleksandra, Smolina Ekaterina, Leykam Daniel, Gündoğdu Sinan, Angelakis Dimitrios, Smirnova Daria

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URIhttp://purl.tuc.gr/dl/dias/CDBCB174-BF58-4A02-A67C-D099FB502AD2-
Identifierhttps://doi.org/10.1103/PhysRevB.105.115133-
Identifierhttps://journals.aps.org/prb/abstract/10.1103/PhysRevB.105.115133-
Languageen-
Extent11 pagesen
TitleNonlinear signatures of Floquet band topologyen
CreatorMaluckov Aleksandraen
CreatorSmolina Ekaterinaen
CreatorLeykam Danielen
CreatorGündoğdu Sinanen
CreatorAngelakis Dimitriosen
CreatorΑγγελακης Δημητριοςel
CreatorSmirnova Dariaen
PublisherAmerican Physical Societyen
DescriptionThis research was supported in part by the Polisimulator project cofinanced by Greece and the EU Regional Development Fund.en
Content SummaryWe study how the nonlinear propagation dynamics of bulk states may be used to distinguish topological phases of slowly driven Floquet lattices. First, we show how instabilities of nonlinear Bloch waves may be used to populate Floquet bands and measure their Chern number via the emergence of nontrivial polarization textures in a similar manner to static (undriven) lattices. Second, we show how the nonlinear dynamics of nonstationary superposition states may be used to identify dynamical symmetry inversion points in the intracycle dynamics, thereby allowing anomalous Floquet phases to be distinguished from the trivial phase. The approaches may be readily implemented using light propagation in nonlinear waveguide arrays.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2024-03-05-
Date of Publication2022-
SubjectNonlinear opticsen
SubjectPhotonicsen
SubjectTopological materialsen
Bibliographic CitationA. Maluckov, E. Smolina, D. Leykam, S. Gündoğdu, D. G. Angelakis and D. A. Smirnova, “Nonlinear signatures of Floquet band topology,” Phys. Rev. B, vol. 105, no. 11, Mar. 2022, doi: 10.1103/physrevb.105.115133.en

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