Efficient electro-optic sampling detection of terahertz radiation via Cherenkov phase matching

Efficient electro-optic sampling detection of terahertz radiation via Cherenkov phase matching

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 crysta...

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Bibliographic Details
Main Authors: Tani, Masahiko, Horita, Kazuki, Kinoshita, Tetsuya, Que, Christopher T., Estacio, Elmer, Yamamoto, Kohji, Bakunov, Michael I.
Format: text
Published: Animo Repository 2011
Subjects:
Terahertz technology
Electrooptics
Cherenkov radiation
Physics
Online Access:https://animorepository.dlsu.edu.ph/faculty_research/11906
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Institution: De La Salle University
Description
Summary: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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