Characteristics of efficient few-cycle terahertz radiation generated in as-grown nonlinear organic single crystals

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We investigated efficient terahertz wave generation by optical rectification in as-grown nonlinear organic single crystal HMQ-T (2-(4-hydroxy-3-methoxystyryl)-1-methylquinolinium 4-methylbenzene sulfonate). Optimal thickness of crystals directly available by a slow cooling method in methanol solution enabled us to achieve high-field few-cycle THz waves at 800-nm pumping. With 95-mW pumping at 1-kHz repetition rate, an optical-to-THz conversion efficiency of 2.7 x 10(-4) was achieved and the THz electric field strength, measured by electro-optic sampling, was as high as 110.1 kV/cm. Such an efficient THz source based on as-grown HMQ-T crystals can be used for investigation of various nonlinear phenomena in the THz spectral region. Published by Elsevier B.V
Publisher
ELSEVIER SCIENCE BV
Issue Date
2014-03
Language
English
Article Type
Article
Keywords

OPTICAL RECTIFICATION; SPECTROSCOPY; TECHNOLOGY; DISPERSION; PULSES; DAST; ZNTE

Citation

CURRENT APPLIED PHYSICS, v.14, no.3, pp.403 - 406

ISSN
1567-1739
DOI
10.1016/j.cap.2013.12.023
URI
http://hdl.handle.net/10203/212678
Appears in Collection
PH-Journal Papers(저널논문)
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