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Second and third harmonic generation at ε-near-zero crossing point in arrays of plasmonic nanoshells

  • Author(s): Vincenti, MA
  • Campione, S
  • De Ceglia, D
  • Scalora, M
  • Capolino, F
  • et al.
Creative Commons Attribution 4.0 International Public License
Abstract

We theoretically investigate harmonic generation at ε=0 crossing points where losses are compensated through the inclusion of active photonic materials in metallic nanoshells. This singularity-driven process lowers the thresholds for a plethora of nonlinear optical phenomena. © OSA 2012.

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