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Nonlinear Bloch wave dynamics in photonic Aharonov–Bohm cages

Chang Nana, Gundogdu Sinan, Leykam Daniel, Angelakis Dimitrios, Kou SuPeng, Flach Sergej, Maluckov Aleksandra

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URIhttp://purl.tuc.gr/dl/dias/2AFEC651-DA95-4BFD-A7F5-52FF1BF956C7-
Identifierhttps://doi.org/10.1063/5.0037767-
Identifierhttps://aip.scitation.org/doi/10.1063/5.0037767-
Languageen-
Extent8 pagesen
TitleNonlinear Bloch wave dynamics in photonic Aharonov–Bohm cagesen
CreatorChang Nanaen
CreatorGundogdu Sinanen
CreatorLeykam Danielen
CreatorAngelakis Dimitriosen
CreatorΑγγελακης Δημητριοςel
CreatorKou SuPengen
CreatorFlach Sergejen
CreatorMaluckov Aleksandraen
PublisherAmerican Institute of Physicsen
Content SummaryWe study the properties of nonlinear Bloch waves in a diamond chain waveguide lattice in the presence of a synthetic magnetic flux. In the linear limit, the lattice exhibits a completely flat (wavevector k-independent) band structure, resulting in perfect wave localization, known as Aharonov–Bohm caging. We find that in the presence of nonlinearity, the Bloch waves become sensitive to k, exhibiting bifurcations and instabilities. Performing numerical beam propagation simulations using the tight-binding model, we show how the instabilities can result in either the spontaneous or controlled formation of localized modes, which are immobile and remain pinned in place due to the synthetic magnetic flux.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2023-02-15-
Date of Publication2021-
SubjectSynthetic Gauge Field Photonicsen
SubjectGauge field theoryen
SubjectBloch waveen
Bibliographic CitationN. Chang, S. Gundogdu, D. Leykam, D. G. Angelakis, S. Kou, S. Flach, and A. Maluckov, “Nonlinear Bloch wave dynamics in photonic Aharonov–Bohm cages,” APL Photon., vol. 6, no. 3, Mar. 2021, doi: 10.1063/5.0037767.en

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