Broadband Anisotropic Optical Properties of the Terahertz Generator HMQ-TMS Organic Crystal
Condensed Matter, 2020 HMQ-TMS (2-(4-hydroxy-3-methoxystyryl)-1-methylquinolinium 2,4,6-trimethylbenzenesulfonate) is a recently discovered anisotropic organic crystal that can be exploited for the production of broadband high-intensity terahertz (THz) radiation through the ...
Annalisa D’Arco +7 more
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Unidirectional ion transport in nanoporous carbon membranes with a hierarchical pore architecture
Nature Communications, 2021 Ion transport through nano channels can exhibit intriguing non-linear behaviour. Here, Chen et al. fabricate a hierarchical system of sandwiched carbon membranes of wide and narrow pores with substantial enhancement in rectification ratio of the ionic ...
Lu Chen +6 more
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Prism Couplers with Convex Output Surfaces for Nonlinear Cherenkov Terahertz Generation
Photonics, 2023 Sideways THz generation in Mg:LiNbO3 crystal is studied considering Si-prism-lens couplers with different output surface curvatures. A theoretical approach is developed for modeling the angular distributions of THz radiation power inside the crystal ...
Galiya Kh. Kitaeva +3 more
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Optical High-Capacity Satellite Downlinks via High-Altitude Platform Relays [PDF]
, 2007 Earth-observation (EO) satellite missions produce a large amount of data using high-resolution optical or radar sensors. During the last decades the amount of data has steadily increased due to improved sensor technologies with increased temporal ...
Florian Moll +13 more
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Photonics, 2022 Terahertz wave generation through the optical rectification of 780 nm femtosecond laser pulses in ZnGeP2 crystals has been studied. All of the possible interactions of types I and II were analyzed by modeling and experimentally.
Vladimir Voevodin +4 more
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Results of the Optical Downlink Experiment KIODO from OICETS Satellite to Optical Ground Station Oberpfaffenhofen (OGS-OP) [PDF]
, 2007 Optical LEO downlinks from the Japanese OICETS to the optical ground station built by the German Aerospace Center (DLR) near Munich have been performed. This was the first optical LEO downlink on European grounds.
Perlot, Nicolas +13 more
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Organic Crystals for THz Photonics
Applied Sciences, 2019 Organic crystals with second-order optical nonlinearity feature very high and ultra-fast optical nonlinearities and are therefore attractive for various photonics applications.
Mojca Jazbinsek +3 more
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Study of Optical Rectification in Polycrystalline Materials Based on Random Quasi-Phase Matching
Crystals, 2022 Random quasi-phase matching (RQPM) in polycrystalline materials has been considered as an important technique for nonlinear optical frequency conversion, especially in wideband laser generation involving femtosecond lasers.
Sijia Wang +6 more
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An Improvement of the Cherenkov THz Generation Scheme Using Convex Silicon Prism-Lens Adapters
Photonics, 2023 The terahertz (THz) generation efficiency in the Cherenkov optical rectification scheme can be improved significantly if the silicon adaptor, mounted at the lateral surface of a nonlinear crystal, has a convex output surface with proper geometry.
Galiya Kh. Kitaeva +2 more
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Terahertz and Photoelectron Emission from Nanoporous Gold Films on Semiconductors
Nanomaterials, 2019 Efficient terahertz and photoelectron emission were observed from nano-porous gold (NPG) films deposited on an intrinsic gallium arsenide (GaAs) semiconductor substrate stimulated by femtosecond laser with pulse width of 60 fs.
Junyi Nan +5 more
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