Stability through asymmetry: Modulationally stable nonlinear supermodes of asymmetric non-Hermitian optical couplers

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dc.contributor.authorKominis, Yannis
dc.contributor.authorBountis, Tassos
dc.contributor.authorFlach, Sergej
dc.date.accessioned2018-08-23T09:30:17Z
dc.date.available2018-08-23T09:30:17Z
dc.date.issued2017-06-21
dc.description.abstractWe analyze the stability of a non-Hermitian coupler with respect to modulational inhomogeneous perturbations in the presence of unbalanced gain and loss. At the parity-time (PT ) symmetry point the coupler is unstable. Suitable symmetry breakings lead to an asymmetric coupler, which hosts nonlinear supermodes. A subset of these broken symmetry cases finally yields nonlinear supermodes which are stable against modulational perturbations. The lack of symmetry requirements is expected to facilitate experimental implementations and relevant photonics applications.en_US
dc.identifier.citationYannis Kominis, Tassos Bountis, Sergej Flach. 2018. Stability through asymmetry: Modulationally stable nonlinear supermodes of asymmetric non-Hermitian optical couplers. Physical Review Aen_US
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/3399
dc.language.isoenen_US
dc.publisherPhysical Review Aen_US
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectnon-Hermitian coupleren_US
dc.titleStability through asymmetry: Modulationally stable nonlinear supermodes of asymmetric non-Hermitian optical couplersen_US
dc.typeArticleen_US
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