Quiescent optical solitons with cubic–quartic and generalized cubic–quartic nonlinearity.
Arnous, Ahmed H. Biswas, Anjan Yıldırım, Yakup Moraru, Luminita Moldovanu, Simona Moshokoa, Seithuti P.
Arnous, Ahmed H.
Biswas, Anjan
Yıldırım, Yakup
Moraru, Luminita
Moldovanu, Simona
Moshokoa, Seithuti P.
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Abstract
The enhanced Kudryashov’s approach retrieves quiescent bright, dark, and singular solitons to the governing model that is considered with cubic–quartic form of self-phase modulation. The algorithm however fails to retrieve stationary solitons when the nonlinearity is the generalized version of the cubic–quartic form. The current analysis is conducted with a direct approach without an intermediary phase-portrait analysis as in the past.
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Date
2022-11-07
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MDPI
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Keywords
Solitons, Kudryashov, Cubic–quartic