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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 21 — Oct. 10, 2011
  • pp: 19901–19906

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

Masahiko Tani, Kazuki Horita, Tetsuya Kinoshita, Christopher T. Que, Elmer Estacio, Kohji Yamamoto, and Michael I. Bakunov  »View Author Affiliations

Optics Express, Vol. 19, Issue 21, pp. 19901-19906 (2011)

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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.

© 2011 OSA

OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(040.2235) Detectors : Far infrared or terahertz

ToC Category:

Original Manuscript: August 15, 2011
Revised Manuscript: September 13, 2011
Manuscript Accepted: September 20, 2011
Published: September 26, 2011

Masahiko Tani, Kazuki Horita, Tetsuya Kinoshita, Christopher T. Que, Elmer Estacio, Kohji Yamamoto, and Michael I. Bakunov, "Efficient electro-optic sampling detection of terahertz radiation via Cherenkov phase matching," Opt. Express 19, 19901-19906 (2011)

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