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Second-harmonic double-resonance cones in dispersive hyperbolic metamaterials

  • Author(s): De Ceglia, D
  • Vincenti, MA
  • Campione, S
  • Capolino, F
  • Haus, JW
  • Scalora, M
  • et al.

We study the formation of second-harmonic double-resonance cones in hyperbolic metamaterials. An electric dipole on the surface of the structure induces second-harmonic light to propagate into two distinct volume plasmon-polariton channels: a signal that propagates within its own peculiar resonance cone and a phase-locked signal that is trapped under the pump's resonance cone. Metamaterial dispersion and birefringence induce a large angular divergence between the two volume plasmon polaritons, making these structures suitable for subwavelength second- and higher-harmonic imaging microscopy. © 2014 American Physical Society.

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