Abstract
We show that the resonant field enhancement of light obliquely incident on a quadratically nonlinear metamaterial with refractive index gradually changing from positive to negative values enables ultracompact geometry for second harmonic generation at significantly reduced input powers.
Original language | English (US) |
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Article number | 114011 |
Journal | Journal of Optics (United Kingdom) |
Volume | 16 |
Issue number | 11 |
DOIs | |
State | Published - Nov 1 2014 |
Keywords
- metamaterials
- nanostructures
- nonlinear optics
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics