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18 June 2024 Modulating THz polarization through laser chirp and wavelength dispersion
Anna Martinez, Jonathan Houard, Ammar Hideur, Domenico Paparo, Angela Vella
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Proceedings Volume 12994, Terahertz Photonics III; 129940K (2024) https://doi.org/10.1117/12.3022635
Event: SPIE Photonics Europe, 2024, Strasbourg, France
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Abstract
The generation of Terahertz (THz) waves via two-color plasma in gas has captured the interest of the research community due to its capability to create intense waves characterized by a wide and adjustable spectrum. Efforts aimed at improving the performance of THz radiation for particular applications entail examining and adjusting several variables. In this study, we introduce a simple method for manipulating THz polarization through the adjustment of chirp and wavelength dispersion. Specifically, we will show that by managing these characteristics, it is possible to produce THz waves with polarizations that can be elliptical, circular, or resemble a "flower" pattern. The implications of these changes on the spatiotemporal path of THz radiation will also be examined.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Anna Martinez, Jonathan Houard, Ammar Hideur, Domenico Paparo, and Angela Vella "Modulating THz polarization through laser chirp and wavelength dispersion", Proc. SPIE 12994, Terahertz Photonics III, 129940K (18 June 2024); https://doi.org/10.1117/12.3022635
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KEYWORDS
Terahertz radiation
Polarization
Plasma generation
Modulation
Laser radiation
Plasma
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