Efficient generation and frequency modulation of quasi-monochromatic terahertz wave in Lithium Niobate subwavelength waveguide.
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DOI: 10.1364/oe.25.014766
Abstract: A kind of lateral excitation (LE) configuration is proposed for quasi-monochromatic terahertz generation via impulsive stimulated Raman scattering in a LiNbO3 (LN) slab waveguide by numerical simulation. In an individual waveguide, maximum efficiency frequency-selective excitation… read more here.
Keywords: frequency; thz waves; generation; quasi monochromatic ... See more keywords
Generation of terahertz waves based on nonlinear frequency conversion with stimulated Raman adiabatic passage.
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DOI: 10.1364/oe.467457
Abstract: In recent years, high-power, tunable terahertz (THZ) radiation sources have become the key areas of research in the world. The method of THZ waves by nonlinear optical difference frequency generation (DFG) has the advantages of… read more here.
Keywords: thz waves; frequency; difference frequency; conversion ... See more keywords
Few-cycle THz wave manipulation with a high degree of freedom via f-t modulation.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.479000
Abstract: THz waves have been intensively applied in many fields, e.g., spectroscopy, imaging, and communications. However, owing to the rarity of available techniques for manipulating circularly polarized few-cycle THz waves on picosecond time scales, most of… read more here.
Keywords: cycle thz; thz; thz waves; modulation ... See more keywords
Amplification of a terahertz wave via stimulated Raman scattering.
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DOI: 10.1364/ol.484033
Abstract: Extremely strong terahertz (THz) waves are desperately demanded for investigating nonlinear physics, spectroscopy, and imaging in the THz range. However, traditional crystal-/semiconductor-based THz sources have limitations of reaching extremely high amplitude due to the damage… read more here.
Keywords: terahertz wave; thz; thz waves; seed ... See more keywords
Tunable deflection and asymmetric transmission of THz waves using a thin slab of graphene-dielectric metamaterial, with and without ENZ components
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DOI: 10.1364/ome.8.003887
Abstract: Narodowe Centrum Nauki (NCN), Poland (DEC-2015/17/B/ST3/00118 – Metasel); TUBITAK (113E331, 114E374, 115F560); EU Horizon-2020 via Marie Sklodowska-Curie IF program (grant no. 708200 – ADVANTA); Ministerio de Economia, Industria y Competitividad, Spain (TEC2014-51902-C2-2-R). read more here.
Keywords: tunable deflection; thz waves; waves using; asymmetric transmission ... See more keywords
Verification of Non-thermal Effects of 0.3–0.6 THz-Waves on Human Cultured Cells
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DOI: 10.3390/photonics6010033
Abstract: Recent progress has been made in the development of terahertz (THz) waves for practical applications. Few studies that have assessed the biological effects of THz waves have been reported, and the data currently available regarding… read more here.
Keywords: effects thz; cultured cells; thz waves; thermal effects ... See more keywords