JETP Letters

, Volume 96, Issue 12, pp 759–764 | Cite as

Nonlinear nanoantenna with self-tunable scattering pattern

  • N. S. Lapshina
  • R. E. Noskov
  • Yu. S. Kivshar
Optics and Laser Physics


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 response time. This makes it attractive for applications in nanophotonics and biology.


Hopf Bifurcation JETP Letter Modulational Instability Scatter Cross Section Period Doubling Bifurcation 
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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • N. S. Lapshina
    • 1
  • R. E. Noskov
    • 1
  • Yu. S. Kivshar
    • 1
    • 2
  1. 1.National Research University of Information Technologies, Mechanics, and OpticsSt. PetersburgRussia
  2. 2.Nonlinear Physics Centre, Research School of Physics and EngineeringAustralian National UniversityCanberraAustralia

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