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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 18, Iss. 1 — Feb. 1, 2014
  • pp: 60–64

Diffraction-Limited High-Power Single-Cycle Terahertz Pulse Generation in Prism-Cut LiNbO3 for Precise Terahertz Applications

In Hyung Baek, Bong Joo Kang, Young Uk Jeong, and Fabian Rotermund  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 18, Issue 1, pp. 60-64 (2014)


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Abstract

We report the generation of 3.3-mW single-cycle terahertz (THz) pulses at 1-kHz repetition rate via optical rectification in MgO-doped prism-cut stoichiometric LiNbO3. Efficient pulse-front tilting of 800-nm pulses was realized by an optimized single-lens focusing scheme for radially-symmetric propagation of THz beams. In this geometry, nearly-diffraction-limited THz Gaussian beams with electric field strength as high as 350 kV/cm were generated. The pump-to-THz energy conversion efficiency of <TEX>$1.36{\times}10^{-3}$</TEX> and the extremely high signal-to-noise ratio of ~1:15000 achieved are among the best results for 1-kHz single-cycle terahertz pulse generation ever demonstrated in room temperature operation.

© 2014 Optical Society of Korea

OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(300.6495) Spectroscopy : Spectroscopy, teraherz

History
Original Manuscript: October 10, 2013
Revised Manuscript: January 2, 2014
Manuscript Accepted: January 20, 2014
Published: February 25, 2014

Citation
In Hyung Baek, Bong Joo Kang, Young Uk Jeong, and Fabian Rotermund, "Diffraction-Limited High-Power Single-Cycle Terahertz Pulse Generation in Prism-Cut LiNbO3 for Precise Terahertz Applications," J. Opt. Soc. Korea 18, 60-64 (2014)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-18-1-60


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