Spatio-temporal instability in negative index materials

被引：6
|
作者：
Shackeerali, M. [1 ,2 ]
Ali, A. K. Shafeeque [3 ,4 ]
Uthayakumar, A. [2 ]
机构：
[1] New Coll Autonomous, Dept Phys, Chennai 600014, Tamil Nadu, India
[2] Presidency Coll Autonomous, Dept Phys, Chennai 600005, Tamil Nadu, India
[3] Pondicherry Univ, Dept Phys, Pondicherry 605014, India
[4] Sullamussalam Sci Coll, Dept Phys, Malappuram 673639, Kerala, India
来源：
OPTIK | 2019年 / 189卷
关键词：
Negative index materials; Solitons; Modulation instability; Ultrashort pulses; MODULATIONAL INSTABILITY; NONLINEAR DISPERSION; PROPAGATION; PULSES; METAMATERIALS; GENERATION; COHERENT; SOLITONS; FIBER; FIELD;
D O I：
10.1016/j.ijleo.2019.05.062
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we investigate spatiotemporal instability in negative index materials (NIMs) made of split ring resonators and arrays of wires embedded in a Kerr medium. The pulse propagation in NIM is modeled by nonlinear Schrodinger type equation. The linear stability analysis is carried out to obtain the instability gain. We study the influence of electric and magnetic self steepening effects and coupling between electric and magnetic fields on MI gain. We report additional ways to generate solitons or ultrashort pulses in negative index artificial materials.
引用
收藏
页码：15 / 22
页数：8
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