Semiconductor Physics, Quantum Electronics & Optoelectronics, 24 (4), P. 431-435 (2021).
DOI: https://doi.org/10.15407/spqeo24.03.431


Cubic-quartic optical soliton perturbation with Fokas–Lenells equation by semi-inverse variation
A. Biswas1,2,3,4, A. Dakova5,6, S. Khan4, M. Ekici7, L. Moraru8, M.R. Belic9

1Department of Applied Mathematics, National Research Nuclear University,
31 Kashirskoe Hwy, Moscow-115409, Russian Federation
2Mathematical Modeling and Applied Computation (MMAC) Research Group,
Department of Mathematics, King Abdulaziz University, Jeddah-21589, Saudi Arabia
3Department of Mathematics and Applied Mathematics,
Sefako Makgatho Health Sciences University, Medunsa-0204, Pretoria, South Africa
4Department of Physics, Chemistry and Mathematics,
Alabama A&M University, Normal, AL 35762-4900, USA
5Physics and Technology Faculty, University of Plovdiv “Paisii Hilendarski”,
24 Tsar Asen Str., 4000 Plovdiv, Bulgaria
6Institute of Electronics, Bulgarian Academy of Sciences,
72 Tzarigradcko Shossee, 1784 Soda, Bulgaria
7Department of Mathematics, Faculty of Science and Arts,
Yozgat Bozok University, 66100 Yozgat, Turkey
8Faculty of Sciences and Environment, Department of Chemistry, Physics and Environment,
Dunarea de Jos University of Galati, 47 Domneasca Str., 800008, Romania
9Institute of Physics Belgrade, Pregrevica 118, 11080 Zemun, Serbia

Abstract. This paper recovers cubic-quartic bright optical solitons with perturbed Fokas–Lenells equation. The Hamiltonian perturbation terms appear with maximal permissible intensity. The semi-inverse variational principle is employed to retrieve such solitons.

Keywords:csoliton, cubic-quartic, perturbation, Fokas–Lenells equation.

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