Hale, LL;
Jung, H;
Gennaro, S;
Briscoe, J;
Harris, CT;
Lut, TS;
Addamane, SJ;
... Mitrofanov, O; + view all
(2022)
Terahertz Generation from GaAs Metasurfaces: Role of Surface Nonlinearity.
In:
2022 Conference on Lasers and Electro-Optics (CLEO).
(pp. FM5F.6).
IEEE: San Jose, CA, USA.
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Abstract
We show that a GaAs metasurface can generate THz radiation with comparable efficiency to a bulk GaAs crystal. We attribute the enhanced generation to second order nonlinearity with the surface making a strong contribution.
| Type: | Proceedings paper |
|---|---|
| Title: | Terahertz Generation from GaAs Metasurfaces: Role of Surface Nonlinearity |
| Event: | Conference on Lasers and Electro-Optics (CLEO) 2022 |
| ISBN-13: | 9781957171050 |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | https://ieeexplore.ieee.org/document/9891292 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Gallium arsenide, Surface emitting lasers, Crystals, Lasers and electrooptics, Metasurfaces, Laser modes, Electrooptical waveguides |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng UCL > Provost and Vice Provost Offices > UCL BEAMS UCL |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10158205 |
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