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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 17 — Aug. 18, 2008
  • pp: 12859–12865

Generation and detection of broadband coherent terahertz radiation using 17-fs ultrashort pulse fiber laser

Jun Takayanagi, So Kanamori, Koji Suizu, Masatsugu Yamashita, Toshihiko Ouchi, Shintaro Kasai, Hideyuki Ohtake, Hirohisa Uchida, Norihiko Nishizawa, and Kodo Kawase  »View Author Affiliations

Optics Express, Vol. 16, Issue 17, pp. 12859-12865 (2008)

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We describe the generation and detection of broadband terahertz radiation using an all-fiber laser. Optical pulses from a mode-locked fiber laser oscillator are compressed using nonlinear and dispersion effects induced in optical fibers, and 17-fs optical pulses with 170-kW peak power are generated at the wavelength region around 1.5 µm. By injecting these pulses into an organic crystal DAST (4-N, N-dimethylamino-4’-N’-methyl-stilbazolium tosylate), broadband terahertz field is radiated at 0.1–25 THz. The frequency region exceeding 20 THz is achieved with a fiber laser for the first time.

© 2008 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(140.7090) Lasers and laser optics : Ultrafast lasers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: May 28, 2008
Revised Manuscript: July 28, 2008
Manuscript Accepted: August 6, 2008
Published: August 8, 2008

Jun Takayanagi, So Kanamori, Koji Suizu, Masatsugu Yamashita, Toshihiko Ouchi, Shintaro Kasai, Hideyuki Ohtake, Hiromasa Uchida, Norihiko Nishizawa, and Kodo Kawase, "Generation and detection of broadband coherent terahertz radiation using 17-fs ultrashort pulse fiber laser," Opt. Express 16, 12859-12865 (2008)

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