ArticleNano letters2025
Broadband Terahertz Holography Using Nonlinear Plasmonic Metasurfaces.
Article in Nano letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
Terahertz (THz) waves have been successfully utilized in a wide variety of practical applications, such as communications, sensing, and biomedical engineering. Broadband THz emitters with sufficient functionality are of great importance to fully realize the impact of these applications. This demand has stimulated the exploration of THz emitters with the capability of complex field manipulation. Here we report on the development of Pancharatnam-Berry phase nonlinear metasurface emitters for broadband and multifunctional THz holography. Two types of metasurface holograms are designed by which scalar holographic imaging and dual-polarization holographic imaging are experimentally demonstrated in a broadband frequency range up to over 2.0 THz. We show that both broadband THz beam generation and multifunctional THz field manipulation can be realized simultaneously. These demonstrations exhibit the significant potential of nonlinear metasurface emitters as efficient THz sources, which may have important applications in THz frequency information processing.
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