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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 9 — May. 1, 2007
  • pp: 1108–1110

Low-voltage tunable second-harmonic generation in an x-cut periodically poled lithium niobate waveguide

F. Généreux, G. Baldenberger, B. Bourliaguet, and R. Vallée  »View Author Affiliations

Optics Letters, Vol. 32, Issue 9, pp. 1108-1110 (2007)

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We report a new method of tuning the second-harmonic signal generated in a periodically poled lithium niobate (PPLN) waveguide. This technique relies on the recent progress in the fabrication of PPLNs on x-cut substrates along with periodical coplanar electrodes to reduce the tuning voltage while preserving the conversion efficiency. Our scheme exploits a type I interaction implemented in a titanium waveguide to impede cancellation of the electro-optical coefficients and to minimize the group-velocity mismatch between the first- and second-harmonic modes. The tuning range covers 58 nm with an applied voltage of ± 150 V .

© 2007 Optical Society of America

OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Nonlinear Optics

Original Manuscript: December 8, 2006
Revised Manuscript: February 1, 2007
Manuscript Accepted: February 6, 2007
Published: April 3, 2007

F. Généreux, G. Baldenberger, B. Bourliaguet, and R. Vallée, "Low-voltage tunable second-harmonic generation in an x-cut periodically poled lithium niobate waveguide," Opt. Lett. 32, 1108-1110 (2007)

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