Optical solitons in nonlinear directional couplers by sine-cosine function method and Bernoulli's equation approach

被引:207
作者
Mirzazadeh, Mohammad [1 ]
Eslami, Mostafa [2 ]
Zerrad, Essaid [3 ]
Mahmood, Mohammad F. [4 ]
Biswas, Anjan [5 ,6 ]
Belic, Milivoj [7 ]
机构
[1] Univ Guilan, Fac Engn & Technol, Dept Engn Sci, Rudsar Vajargah 4489163157, Iran
[2] Univ Mazandaran, Fac Math Sci, Dept Math, Babol Sar, Iran
[3] Delaware State Univ, Dept Phys & Engn, Dover, DE 19901 USA
[4] Howard Univ, Dept Math, Washington, DC 20059 USA
[5] Delaware State Univ, Dept Math Sci, Dover, DE 19901 USA
[6] King Abdulaziz Univ, Dept Math, Fac Sci, Jeddah 21589, Saudi Arabia
[7] Texas A&M Univ, Sci Program, Doha, Qatar
关键词
Solitons; Integrability; Couplers; TIME-DEPENDENT COEFFICIENTS; SCHRODINGERS EQUATION; DISPERSION; APPROXIMATION; SYSTEM;
D O I
10.1007/s11071-015-2117-y
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
This paper obtains soliton solutions to optical couplers by two methods. These are sine-cosine function method and Bernoulli's equation approach. There are four laws that are touched upon in this paper. These are Kerr law, power law, parabolic law and dual-power law. The first integration scheme is applicable to Kerr and power laws only where bright soliton solutions are retrievable. The second tool is applicable to parabolic and dual-power laws only that leads to dark and singular solitons for these two nonlinear media.
引用
收藏
页码:1933 / 1949
页数:17
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