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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 12 — Dec. 1, 2010
  • pp: 2507–2511

Generation of mid- to far-infrared ultrashort pulses in 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystal

Takuya Satoh, Yoshihiro Toya, Shunsuke Yamamoto, Tsutomu Shimura, Kazuo Kuroda, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, and Satoshi Ashihara  »View Author Affiliations


JOSA B, Vol. 27, Issue 12, pp. 2507-2511 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002507


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Abstract

Mid- to far-infrared (IR) ultrashort pulses were generated using the organic nonlinear optical crystal 4-dimethylamino-N-methyl-4-stilbazolium tosylate. Frequency downconversion was performed by difference frequency generation (DFG) between the signal and idler pulses from an optical parametric amplifier. By the use of a noncollinear configuration in DFG, the phase matching condition was satisfied for pulse generation in the mid-IR and far-IR ranges. At a noncollinear angle of 0.7° between the signal and idler pulses, IR pulses with spectra extending from 8 to 30 THz were generated. The pulse energy and the temporal duration were estimated to be 300 nJ and 250 fs, respectively, for a signal wavelength of 1540 nm and a noncollinear angle of 0.7°.

© 2010 Optical Society of America

OCIS Codes
(160.4890) Materials : Organic materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.7220) Nonlinear optics : Upconversion
(230.4320) Optical devices : Nonlinear optical devices
(260.3090) Physical optics : Infrared, far
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

History
Original Manuscript: August 30, 2010
Manuscript Accepted: September 17, 2010
Published: November 3, 2010

Citation
Takuya Satoh, Yoshihiro Toya, Shunsuke Yamamoto, Tsutomu Shimura, Kazuo Kuroda, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, and Satoshi Ashihara, "Generation of mid- to far-infrared ultrashort pulses in 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystal," J. Opt. Soc. Am. B 27, 2507-2511 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-12-2507

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