Optical solitons and conservation laws associated with Kudryashov�s sextic power-law nonlinearity of refractive index

By Elsayed M. E. Zayed, Reham M. A. Shohib, M. Alngar, Anjan Biswas, Mehmet Ekici, Salam Khan, A. K. Alzahrani, Milivoj R. Belic. Ukrainian Journal of Physical Optics, 2021

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. We recover the cases of solutions in the shape of bright, dark and singular optical solitons for the self-phase modulation effect, which belongs to the type of N. A. Kudryashov’s sextic power-law nonlinearity of refractive index. Three different integration schemes have been implemented. These are a unified Riccati equation, our new mapping scheme and our addendum to the common N. A. Kudryashov’s method. All of the solitons are enlisted and the criterions of their existence are mentioned. Finally, we extract three appropriate conservation laws.

Subfields: Atomic and Molecular Physics, and Optics, Statistical and Nonlinear Physics

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