Optical solitons in nonlinear directional couplers with G′/G-expansion scheme

被引：28

作者：

Mirzazadeh, Mohammad ^{[1
]}

Eslami, Mostafa ^{[2
]}

Zhou, Qin ^{[3
]}

Mahmood, M. F. ^{[4
]}

Zerrad, Essaid ^{[5
]}

Biswas, Anjan ^{[6
,7
]}

Belic, Milivoj ^{[8
]}

机构：

[1] Univ Guilan, Fac Math Sci, Dept Math, Rasht, Iran

[2] Univ Mazandaran, Fac Math Sci, Dept Math, Babol Sar, Iran

[3] Wuhan Donghu Univ, Sch Elect & Informat Engn, Wuhan 430212, Peoples R China

[4] Howard Univ, Dept Math, Washington, DC 20059 USA

[5] Delaware State Univ, Dept Phys & Engn, Dover, DE 19901 USA

[6] Delaware State Univ, Dept Math Sci, Dover, DE 19901 USA

[7] King Abdulaziz Univ, Fac Sci, Dept Math, Jeddah 21589, Saudi Arabia

[8] Texas A&M Univ Qatar, Sci Program, Doha, Qatar

来源：

JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 2015年 / 24卷 / 02期

关键词：

Solitons; couplers; integrability; TIME-DEPENDENT COEFFICIENTS; SCHRODINGERS EQUATION; CRYSTAL FIBER; BIREFRINGENCE; DISPERSION;

D O I：

10.1142/S0218863515500174

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper obtains soliton solutions in optical couplers. The governing equation is solved by the aid of G'/G-expansion scheme. There are four types of nonlinear media that are taken into consideration. These are Kerr law, power law, parabolic law, and dual-power law. There are two kinds optical couplers studied in this paper. They are twin-core couplers and multiple-core couplers, where coupling with nearest neighbors as well as coupling with all neighbors are considered. Dark and singular soliton solutions are retrieved. These soliton solutions come with constraint conditions that must hold for the solitons to exist.

引用

页数：41

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