Cubic-quartic optical solitons in couplers with optical metamaterials having Kudryashov's law of arbitrary refractive index

被引：4
|
作者：
Zayed, Elsayed M. E. [1 ]
Alngar, Mohamed E. M. [1 ]
Shohib, Reham M. A. [1 ]
机构：
[1] Zagazig Univ, Math Dept, Fac Sci, Zagazig 44519, Egypt
来源：
OPTIK | 2022年 / 254卷
关键词：
Soliton solutions; Couplers; Unified Riccati equation expansion method; Addendum to Kudryashov's method; NONLINEAR DIRECTIONAL-COUPLERS; BIREFRINGENT FIBERS;
D O I：
10.1016/j.ijleo.2022.168604
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This article applies the unified Riccati equation expansion method and the addendum to Kudryashov's method. The two used methods secure the optical soliton solutions for the cubic-quartic (CQ) twin-core couplers and multiple-core couplers with optical metamaterials having Kudryashov's law of arbitrary refractive index. Two forms of multiple-core couplers are introduced, namely the coupling with nearest neighbors and the coupling with all neighbors. Straddled, combo bright-singular, dark, bright, singular solitons solutions as long as periodic and rational solutions are investigated.
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页数：15
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