Nonlinear control of invisibility cloaking

被引：18
|
作者：
Zharova, Nina A. [1 ,2 ]
Shadrivov, Ilya V. [1 ,3 ]
Zharov, Alexander A. [1 ,4 ]
Kivshar, Yuri S. [1 ,3 ]
机构：
[1] Australian Natl Univ, Nonlinear Phys Ctr, Res Sch Phys & Engn, Canberra, ACT 0200, Australia
[2] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603600, Russia
[3] Natl Res Univ Informat Technol Mech & Opt ITMO, St Petersburg 197101, Russia
[4] Russian Acad Sci, Inst Phys Microstruct, Nizhnii Novgorod 603950, Russia
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 14期
基金：
澳大利亚研究理事会;
关键词：
D O I：
10.1364/OE.20.014954
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We introduce a new concept of the nonlinear control of invisibility cloaking. We study the scattering properties of multi-shell plasmonic nanoparticles with a nonlinear response of one of the shells, and demonstrate that the scattering cross-section of such particles can be controlled by a power of the incident electromagnetic radiation. More specifically, we can either increase or decrease the scattering cross-section by changing the intensity of the external field, as well as control the scattering efficiently and even reverse the radiation direction. (c) 2012 Optical Society of America
引用
收藏
页码：14954 / 14959
页数：6
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