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Management of solitons in medium with competing cubic and quadratic nonlinearities
Physical-Technical Institute, Uzbek Academy of Sciences, Tashkent, Uzbekistan; Theoretical Physics Department, National University of Uzbekistan, Tashkent, Uzbekistan.ORCID iD: 0000-0003-4142-4216
Physical-Technical Institute, Uzbek Academy of Sciences, Tashkent, Uzbekistan; Theoretical Physics Department, National University of Uzbekistan, Tashkent, Uzbekistan.ORCID iD: 0000-0003-2156-3251
Örebro University, School of Science and Technology. Hellenic Mediterranean University, Heraklion, Greece.ORCID iD: 0000-0002-2630-7479
2023 (English)In: Optik (Stuttgart), ISSN 0030-4026, E-ISSN 1618-1336, Vol. 274, article id 170545Article in journal (Refereed) Published
Abstract [en]

Management of solitons in media with competing quadratic and cubic nonlinearities is investigated. Two schemes, using rapid modulations of a mismatch parameter, and of the Kerr nonlinearity parameter are studied. For both cases, the averaged in time wave equations are derived. In the case of mismatch management, the region of the parameters where stabilization is possible is found. In the case of Kerr nonlinearity management, it is shown that the effective chi(2) nonlinearity depends on the intensity imbalance between fundamental (FH) and second (SH) harmonics. Predictions obtained from the averaged equations are confirmed by numerical simulations of the full PDE’s.

Place, publisher, year, edition, pages
Elsevier, 2023. Vol. 274, article id 170545
Keywords [en]
Solitons, Mismatch management, Kerr nonlinearity management, Competing nonlinearities
National Category
Atom and Molecular Physics and Optics
Research subject
Physics
Identifiers
URN: urn:nbn:se:oru:diva-103206DOI: 10.1016/j.ijleo.2023.170545ISI: 000989150500001Scopus ID: 2-s2.0-85146415593OAI: oai:DiVA.org:oru-103206DiVA, id: diva2:1728176
Funder
Örebro University
Note

Funding agency:

State budget of the Republic of Uzbekistan

Available from: 2023-01-17 Created: 2023-01-17 Last updated: 2023-06-01Bibliographically approved

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Ögren, Magnus

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