High-power Broadband Organic THz Generator

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The high-power broadband terahertz (THz) generator is an essential tool for a wide range of THz applications. Here, we present a novel highly efficient electro-optic quinolinium single crystal for THz wave generation. For obtaining intense and broadband THz waves by optical-to-THz frequency conversion, a quinolinium crystal was developed to fulfill all the requirements, which are in general extremely difficult to maintain simultaneously in a single medium, such as a large macroscopic electro-optic response and excellent crystal characteristics including a large crystal size with desired facets, good environmental stability, high optical quality, wide transparency range, and controllable crystal thickness. Compared to the benchmark inorganic and organic crystals, the new quinolinium crystal possesses excellent crystal properties and THz generation characteristics with broader THz spectral coverage and higher THz conversion efficiency at the technologically important pump wavelength of 800 nm. Therefore, the quinolinium crystal offers great potential for efficient and gap-free broadband THz wave generation.
Publisher
NATURE PUBLISHING GROUP
Issue Date
2013-11
Language
English
Article Type
Article
Keywords

CONFIGURATIONALLY LOCKED POLYENE; TERAHERTZ-WAVE GENERATION; NONLINEAR-OPTICAL PROPERTIES; SINGLE-CRYSTALS; GROWTH; RECTIFICATION; RADIATION; DAST; SPECTROSCOPY; TECHNOLOGY

Citation

SCIENTIFIC REPORTS, v.3

ISSN
2045-2322
DOI
10.1038/srep03200
URI
http://hdl.handle.net/10203/188597
Appears in Collection
CH-Journal Papers(저널논문)PH-Journal Papers(저널논문)
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