Efficient electro-optic sampling detection of terahertz radiation via Cherenkov phase matching
College
College of Science
Department/Unit
Physics
Document Type
Article
Source Title
Optics Express
Volume
19
Issue
21
First Page
19901
Last Page
19906
Publication Date
2011
Abstract
We experimentally demonstrate an efficient electro-optic sampling scheme based on Cherenkov phase matching of broadband terahertz radiation with 800-nm femtosecond probe beam in a 0.5 mm-thick LiNbO3 crystal coupled to a Si prism. The electro-optic signal from a Cherenkov-phase-matched LiNbO3 crystal is found to be comparable to that with a 4 mm-thick ZnTe crystal using a collinear phase matching. The Cherenkov phase matching technique can be achieved with any probe wavelength and hence has an advantage over the collinear phase matching method.
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Digitial Object Identifier (DOI)
10.1364/OE.19.019901
Recommended Citation
Tani, M., Horita, K., Kinoshita, T., Que, C. T., Estacio, E., Yamamoto, K., & Bakunov, M. I. (2011). Efficient electro-optic sampling detection of terahertz radiation via Cherenkov phase matching. Optics Express, 19 (21), 19901-19906. https://doi.org/10.1364/OE.19.019901
Disciplines
Physics
Keywords
Terahertz technology; Electrooptics; Cherenkov radiation
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