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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 23 — Dec. 1, 2000
  • pp: 1714–1716

Tunable terahertz-wave generation from DAST crystal by dual signal-wave parametric oscillation of periodically poled lithium niobate

Kodo Kawase, Takaaki Hatanaka, Hidenori Takahashi, Koichiro Nakamura, Tetsuo Taniuchi, and Hiromasa Ito  »View Author Affiliations


Optics Letters, Vol. 25, Issue 23, pp. 1714-1716 (2000)
http://dx.doi.org/10.1364/OL.25.001714


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Abstract

The first known demonstration of tunable terahertz-wave generation by difference-frequency generation of dual signal-wave quasi-phase-matched optical parametric oscillation was performed with periodically poled LiNbO<sub>3</sub> (PPLN) with a series of gratings. An organic ionic salt, 4-dimethylamino-<i>N</i>-methyl-4-stilbazolium-tosylate (DAST), was used as a nonlinear crystal. A compact terahertz-wave source resulted, and changing the temperature of the PPLN permitted the wavelength to be varied from 120 to 160 <i>μ</i>m. The wavelength could be tuned from 100 to 700 <i>μ</i>m by proper selection of combinations of periodically poled gratings.

© 2000 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(230.4320) Optical devices : Nonlinear optical devices
(260.3090) Physical optics : Infrared, far

Citation
Kodo Kawase, Takaaki Hatanaka, Hidenori Takahashi, Koichiro Nakamura, Tetsuo Taniuchi, and Hiromasa Ito, "Tunable terahertz-wave generation from DAST crystal by dual signal-wave parametric oscillation of periodically poled lithium niobate," Opt. Lett. 25, 1714-1716 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-23-1714

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