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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 25 — Dec. 8, 2008
  • pp: 20817–20825

Investigation of a novel frequency-tuning method for terahertz-wave parametric oscillators

Bo Sun, Jinsong Liu, and Enbang Li  »View Author Affiliations

Optics Express, Vol. 16, Issue 25, pp. 20817-20825 (2008)

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A novel frequency tuning scheme for terahertz-wave parametric oscillators (TPOs) is proposed. We demonstrate that the generation of the tunable terahertz wave can be realized by continuously varying the incident pump wavelength at a fixed angle of incidence of pump relative to the TPO resonator axis, based on the variation of noncollinear phase-matching conditions between the pump and Stokes/THz waves in the process of simulated polariton scattering. Combined with the angle-tuning method, this potential pump-wavelength tuning technique can further extend the TPO tuning range, especially in low-frequency THz region. However, the stability of the output direction of THz waves from the Si prism under this tuning method has yet to be further improved. The characteristics of THz-wave parametric gain involved in this frequency tuning scheme are also studied.

© 2008 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.5890) Nonlinear optics : Scattering, stimulated
(260.3090) Physical optics : Infrared, far

ToC Category:
Nonlinear Optics

Original Manuscript: September 3, 2008
Revised Manuscript: November 6, 2008
Manuscript Accepted: November 6, 2008
Published: December 2, 2008

Bo Sun, Jinsong Liu, and Enbang Li, "Investigation of a novel frequency-tuning method for terahertz-wave parametric oscillators," Opt. Express 16, 20817-20825 (2008)

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