Adaptable electro-optic detection of THz radiation using a laser-written bull’s-eye antenna

Adaptable electro-optic detection of THz radiation using a laser-written bull’s-eye antenna

Abstract We report a nonlinear terahertz (THz) detection device based on a metallic bull’s-eye plasmonic antenna. The antenna, fabricated with femtosecond laser direct writing and deposited on a nonlinear gallium phosphide (GaP) crystal, focuses incoming THz waveforms within the sub-wavelength bull’...

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Bibliographic Details
Main Authors: Hesam Heydarian, Xitong Xie, Aswin Vishnuradhan, Wei Cui, Arnaud Weck, Angela Gamouras, Jean-Michel Ménard
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
Subjects:
Terahertz detector
Nonlinear optics
Plasmonic
Electro-optic sampling
Online Access:https://doi.org/10.1038/s41598-024-84625-4
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