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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 7 — Apr. 1, 2008
  • pp: 720–722

Perfect quasi-phase matching for the third-harmonic generation using focused Gaussian beams

Chao Zhang, Yi-qiang Qin, and Yong-yuan Zhu  »View Author Affiliations

Optics Letters, Vol. 33, Issue 7, pp. 720-722 (2008)

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We propose a method to realize perfect quasi-phase matching (QPM) for nonlinear optical interactions involving Gaussian beams. Using this method, both the wave-vector mismatching and the Gouy phase shift can be compensated. Numerical simulations for the third-harmonic generation show that conversion efficiency near to 100% can be realized even if the fundamental wave is tightly focused, which is difficult or even impossible with the conventional QPM method.

© 2008 Optical Society of America

OCIS Codes
(130.4310) Integrated optics : Nonlinear
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Nonlinear Optics

Original Manuscript: January 9, 2008
Revised Manuscript: February 21, 2008
Manuscript Accepted: February 21, 2008
Published: March 31, 2008

Chao Zhang, Yi-qiang Qin, and Yong-yuan Zhu, "Perfect quasi-phase matching for the third-harmonic generation using focused Gaussian beams," Opt. Lett. 33, 720-722 (2008)

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