Solitons in Nonlinear Directional Couplers with Optical Metamaterials by Trial Function Scheme |
| A.H. Arnous a, M. Ekici b, S.P. Moshokoa c, M. Zaka Ullah d, A. Biswasc,d and M. Belic e
aDepartment of Physics and Engineering Mathematics, Higher Institute of Engineering, El-Shorouk, Cairo, Egypt bDepartment of Mathematics, Faculty of Science and Arts, Bozok University, 66100 Yozgat, Turkey cDepartment of Mathematics and Statistics, Tshwane University of Technology, Pretoria-0008, South Africa dOperator Theory and Applications Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, P.O. Box-80203, Jeddah-21589, Saudi Arabia eScience Program, Texas A&M University at Qatar, P.O. Box 23874, Doha, Qatar |
| Received: March 23, 2017 |
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| This paper obtains soliton solutions to nonlinear directional couplers in optical metamaterials by the aid of trial function method. Three types of couplers are studied. Four forms of nonlinearity are considered. Bright, dark, and singular soliton solutions are retrieved. These soliton solutions appear with certain constraint conditions that guarantee their existence. |
DOI: 10.12693/APhysPolA.132.1399 PACS numbers: 42.81.Dp, 42.65.Tg |