Experimental observation and model analysis of second-harmonic generation in a plasma-metamaterial composite

被引：24
|
作者：
Iwai, Akinori [1 ]
Nakamura, Yoshihiro [1 ]
Bambina, Alexandre [2 ]
Sakai, Osamu [1 ,2 ]
机构：
[1] Kyoto Univ, Dept Elect Sci & Engn, Kyoto 6158510, Japan
[2] Univ Shiga Prefecture, Dept Elect Syst Engn, Hikone, Shiga 5228533, Japan
来源：
APPLIED PHYSICS EXPRESS | 2015年 / 8卷 / 05期
关键词：
Equivalent circuits - Electric connectors - Metamaterials - Nonlinear optics - Harmonic generation;
D O I：
10.7567/APEX.8.056201
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We observed enhanced second-harmonic-wave generation in a plasma-metamaterial composite, the intensity of which was much stronger than that in plasma with a similar level of electron density. We clarified that this specific intense second-harmonic-wave generation was derived from additional nonlinearity based on the electric connection between a plasma with a density gradient and metamaterials using an equivalent circuit model. (C) 2015 The Japan Society of Applied Physics
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页数：4
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