Nonlinear dispersion equation and guided modes in a slab waveguide composed of a negative-index medium

被引：9
|
作者：
Mokhtari, B. [1 ]
Eddeqaqi, N. Cherkaoui [1 ]
Atangana, J. [2 ]
Essama, B. G. Onana [2 ,3 ]
Kofane, T. C. [4 ]
机构：
[1] Moulay Ismail Univ, Fac Sci, Dept Phys, Meknes, Morocco
[2] Univ Yaounde I, Higher Teachers Training Coll Yaounde, Dept Phys, Yaounde, Cameroon
[3] Univ Yaounde I, Fac Sci, Dept Phys, Elect Lab, Yaounde, Cameroon
[4] Univ Yaounde I, Fac Sci, Dept Phys, Lab Mech, Yaounde, Cameroon
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2014年 / 46卷 / 01期
关键词：
Waveguide; Dispersion relation; LHM; Energy flow; METAMATERIALS;
D O I：
10.1007/s11082-013-9724-y
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We consider a slab waveguide made of a material with negative permeability and negative permittivity, the surrounding medium is conventional. By using the dispersion relation, we show the dispersion curves from the variation of the core width and other physical parameters. The associated energy flow for several thicknesses of the nonlinear layer waveguide is presented. We discuss possible new types of modes that can occur. It is found that the dispersion curves and the energy flow can be controlled by varying the thickness of the guide, the filling factor and the effective plasma frequency. A numerical simulation is done to well illustrate.
引用
收藏
页码：155 / 163
页数：9
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