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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 14 — Jul. 12, 2004
  • pp: 3066–3071

Dual-wavelength optical-pulse source based on diode lasers for high-repetition-rate, narrow-bandwidth terahertz-wave generation

Yuzo Sasaki, Hiroyuki Yokoyama, and Hiromasa Ito  »View Author Affiliations

Optics Express, Vol. 12, Issue 14, pp. 3066-3071 (2004)

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Synchronized dual-wavelength 1-MHz repetition-rate optical pulses were successfully generated by the combination of a gain-switched diode laser and a wavelength-tunable continuous-wave diode laser at 1.5 µm. The timing synchronization of dual-wavelength optical pulses was achieved with four-wave mixing by use of a highly nonlinear optical fiber. This optical pulse source was utilized for terahertz (THz)-wave difference-frequency generation by use of slanted periodically poled LiNbO3 (PPLN). We generated between 1.05 and 2.1 THz by use of the proper grating period of slanted PPLN with a 10-GHz bandwidth.

© 2004 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(260.3090) Physical optics : Infrared, far

ToC Category:
Research Papers

Original Manuscript: May 10, 2004
Revised Manuscript: June 16, 2004
Published: July 12, 2004

Yuzo Sasaki, Hiroyuki Yokoyama, and Hiromasa Ito, "Dual-wavelength optical-pulse source based on diode lasers for high-repetition-rate, narrow-bandwidth terahertz-wave generation," Opt. Express 12, 3066-3071 (2004)

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