Mid-Infrared Third-Harmonic Emission from Heavily-Doped Germanium Plasmonic Nanoantennas
- Fischer, Marco Patrick
- Riede, Aaron
- Grupp, Alexander
- Gallacher, Kevin
- Frigerio, Jacopo
- Pellegrini, Giovanni
- Ortolani, Michele
- Paul, Douglas J.
- Isella, Giovanni
- Leitenstorfer, Alfred
- Biagioni, Paolo
- Brida, Daniele
Publication date
May 2017
DOI Publisher
The Optical Society Language
EnglishAbstract
We investigate the nonlinear optical properties of single resonant plasmonic antennas fabricated from heavily-doped Germanium films. Excitation with intense and ultrashort mid-infrared pulses at 10.8 µm wavelength produces emission at 3.7 µm via third-harmonic generation
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