SEMICONDUCTOR PHYSICS QUANTUM ELECTRONICS & OPTOELECTRONICS, vol.24, no.4, pp.431-435, 2021 (ESCI)
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.