Giant second-harmonic generation efficiency and ideal phase matching with a double Îμ-near-zero cross-slit metamaterial

Christos Argyropoulos, Giuseppe D'Aguanno, Andrea Alù

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

Efficient second-harmonic generation may be induced based on the anomalous tunneling properties of double zero-permittivity narrow cross-slit nonlinear channels. Ideal phase matching conditions, large coherence length, combined with uniform field enhancement entail the ideal conditions to achieve giant second-harmonic conversion efficiencies for backward and forward signals. It is shown that these conditions are particularly well suited to enhance nonlinear effects over a wide range of frequencies, leading to efficient electromagnetic wave mixers and parametric amplifiers.

Original languageEnglish (US)
Article number235401
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume89
Issue number23
DOIs
StatePublished - Jun 3 2014

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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