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18 June 2024 THz harmonic generation in graphene/metamaterial active modulator
Yuezhen Lu, Abdullah M. Zaman, Jack M. Woolley, Wadood Tadbier, Stephan Hofmann, Sukhdeep Dhillon, James Lloyd-Hughes, Riccardo Degl'Innocenti
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Proceedings Volume 12994, Terahertz Photonics III; 1299403 (2024) https://doi.org/10.1117/12.3016029
Event: SPIE Photonics Europe, 2024, Strasbourg, France
Abstract
We report on the THz harmonic generation in a graphene/metamaterial device by using ultrafast table top powerful THz-TDS systems. A complex nonlinear transmission spectra, which includes a peak at the third harmonic signal is detected on top of the main resonant features at 0.65 THz, for E-field pulses in the range 1-30 kV/cm. Whilst these results are consistent with acquainted literature, they offer a novel perspective for the exploitation of graphene nonlinearity in integrated devices.
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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Yuezhen Lu, Abdullah M. Zaman, Jack M. Woolley, Wadood Tadbier, Stephan Hofmann, Sukhdeep Dhillon, James Lloyd-Hughes, and Riccardo Degl'Innocenti "THz harmonic generation in graphene/metamaterial active modulator", Proc. SPIE 12994, Terahertz Photonics III, 1299403 (18 June 2024); https://doi.org/10.1117/12.3016029
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KEYWORDS
Terahertz radiation
Graphene
Harmonic generation
Ultrafast phenomena
Modulators
Terahertz metamaterials
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