Lapshina, Nadezhda; Noskov, R E; Kivshar, Yuri
A new concept of a nonlinear plasmonic nanoantenna with self-tunable scattering pattern (indicatrix) is suggested. It is shown that the onset of modulational instability in a nanoantenna consisting of two identical nonlinear metallic nanoparticles results in dynamic energy exchange between the eigenmodes of the nanodimer, accompanied by periodic rotation and switching of the scattering pattern. Such a nanoantenna features a wide scanning sector, a relatively low working threshold, and a short...[Show more]
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