Optical solitons in the generalized space-time fractional cubic-quintic nonlinear Schrodinger equation with a PT-symmetric potential

被引：14

作者：

Manikandan, K. ^{[1
]}

Aravinthan, D. ^{[1
]}

Sudharsan, J. B. ^{[1
]}

Vadivel, R. ^{[2
]}

机构：

[1] Chennai Inst Technol, Ctr Computat Modeling, Chennai 600069, Tamilnadu, India

[2] Phuket Rajabhat Univ, Fac Sci & Technol, Dept Math, Phuket 83000, Thailand

来源：

OPTIK | 2022年 / 271卷

关键词：

Space-time fractional nonlinear Schr?dinger; equation; Fractional calculus; Fractal derivatives; Optical soliton; Cubic-quintic nonlinearity; PT-symmetric potential; LAW; PERTURBATION;

D O I：

10.1016/j.ijleo.2022.170105

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In the presence of complexified parity reflection-time reversal (PT)-symmetric Scarff-II po-tential, we consider the generalized space-time fractional cubic-quintic nonlinear Schrodinger (FCQNLS) equation. By implementing fractal derivative variable transformation, we derive the fractional optical soliton solutions for the considered model. We consider two distinct forms of cubic-quintic nonlinearities, such as (i) focusing cubic-focusing quintic and (ii) defocusing cubic-focusing quintic for deriving the fractional optical soliton solutions. We investigate how modifying the temporal and space fractional-order parameters affects these fractional solitons. Our observations reveal that the rise in fractional-order parameters leads to the desired soliton profiles. We also examine further the effects of potential strengths on the fractional soliton profiles that are obtained.

引用

页数：10

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