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Optics Letters

Optics Letters


  • Vol. 36, Iss. 7 — Apr. 1, 2011
  • pp: 1227–1229

Cerenkov third-harmonic generation via cascaded χ ( 2 ) processes in a periodic-poled LiTaO 3 waveguide

Changdong Chen, Jun Lu, Yanhua Liu, Xiaopeng Hu, Lina Zhao, Yong Zhang, Gang Zhao, Ye Yuan, and Shining Zhu  »View Author Affiliations

Optics Letters, Vol. 36, Issue 7, pp. 1227-1229 (2011)

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We report a type of quasi-phase-matched (QPM) Cerenkov third-harmonic generation (CTHG) in a periodic-poled LiTaO 3 waveguide. The CTHG results from a guided-to-guided second-harmonic generation cascaded with a guided-to-radiated sum-frequency generation (SFG) in the waveguide. In the guided-to-radiated SFG process, nonlinear interactions with participating and nonparticipating reciprocal vectors would lead to different CTHG radiations. In addition, the power and temperature detuning characters of QPM CTHG were studied. Theoretical predictions were in good agreement with experimental results.

© 2011 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(230.7390) Optical devices : Waveguides, planar
(350.5610) Other areas of optics : Radiation

ToC Category:
Nonlinear Optics

Original Manuscript: November 19, 2010
Revised Manuscript: January 17, 2011
Manuscript Accepted: February 23, 2011
Published: March 28, 2011

Changdong Chen, Jun Lu, Yanhua Liu, Xiaopeng Hu, Lina Zhao, Yong Zhang, Gang Zhao, Ye Yuan, and Shining Zhu, "Cerenkov third-harmonic generation via cascaded χ(2) processes in a periodic-poled LiTaO3 waveguide," Opt. Lett. 36, 1227-1229 (2011)

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