Nonlinear control of invisibility cloaking
Nina A. Zharova, Ilya V. Shadrivov, Alexander A. Zharov, and Yuri S. Kivshar,
Opt. Express 20, 14954-14959 (2012).
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Abstract: 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.
Keywords: Self-action effects; Metamaterials; Scattering, invisibility
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