Observation of modulation instability in a nonlinear magnetoinductive waveguide

被引：8
作者：
Tamayama, Yasuhiro [1 ]
Nakanishi, Toshihiro [1 ]
Kitano, Masao [1 ]
机构：
[1] Kyoto Univ, Dept Elect Sci & Engn, Kyoto 6158510, Japan
来源：
PHYSICAL REVIEW B | 2013年 / 87卷 / 19期
基金：
日本学术振兴会;
关键词：
MAGNETIC METAMATERIALS; GENERATION;
D O I：
10.1103/PhysRevB.87.195123
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report numerical and experimental investigations into modulation instability in a nonlinear magnetoinductive waveguide. By numerical simulation we find that modulation instability occurs in an electrical circuit model of a magnetoinductive waveguide with third-order nonlinearity. We fabricate the nonlinear magnetoinductive waveguide for microwaves using varactor-loaded split-ring resonators and observe the generation of modulation instability in the waveguide. The condition for generating modulation instability in the experiment roughly agrees with that in the numerical analysis.
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页数：6
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