Enhanced third-harmonic generation in Si-compatible epsilon-near-zero indium tin oxide nanolayers.

@article{Capretti2015EnhancedTG,
  title={Enhanced third-harmonic generation in Si-compatible epsilon-near-zero indium tin oxide nanolayers.},
  author={Antonio Capretti and Yu Wang and Nader Engheta and Luca Dal Negro},
  journal={Optics letters},
  year={2015},
  volume={40 7},
  pages={
          1500-3
        }
}
We experimentally demonstrate enhanced third-harmonic generation from indium tin oxide nanolayers at telecommunication wavelengths with an efficiency that is approximately 600 times larger than crystalline silicon (Si). The increased optical nonlinearity of the fabricated nanolayers is driven by their epsilon-near-zero response, which can be tailored on-demand in the near-infrared region. The present material platform is obtained without any specialized nanofabrication process and is fully… CONTINUE READING
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