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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 18 — Sep. 8, 2014
  • pp: 21618–21625

Tailoring single-cycle electromagnetic pulses in the 2–9 THz frequency range using DAST/SiO2 multilayer structures pumped at Ti:sapphire wavelength

Andrei G. Stepanov, Andrii Rogov, Luigi Bonacina, Jean-Pierre Wolf, and Christoph P. Hauri  »View Author Affiliations

Optics Express, Vol. 22, Issue 18, pp. 21618-21625 (2014)

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We present a numerical parametric study of single-cycle electromagnetic pulse generation in a DAST/SiO2 multilayer structure via collinear optical rectification of 800 nm femtosecond laser pulses. It is shown that modifications of the thicknesses of the DAST and SiO2 layers allow tuning of the average frequency of the generated THz pulses in the frequency range from 3 to 6 THz. The laser-to-THz energy conversion efficiency in the proposed structures is compared with that in a bulk DAST crystal and a quasi-phase-matching periodically poled DAST crystal and shows significant enhancement.

© 2014 Optical Society of America

OCIS Codes
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(260.3060) Physical optics : Infrared
(350.4010) Other areas of optics : Microwaves
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Terahertz Optics

Original Manuscript: July 2, 2014
Revised Manuscript: August 14, 2014
Manuscript Accepted: August 23, 2014
Published: August 29, 2014

Andrei G. Stepanov, Andrii Rogov, Luigi Bonacina, Jean-Pierre Wolf, and Christoph P. Hauri, "Tailoring single-cycle electromagnetic pulses in the 2–9 THz frequency range using DAST/SiO2 multilayer structures pumped at Ti:sapphire wavelength," Opt. Express 22, 21618-21625 (2014)

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