Low-voltage tunable second-harmonic generation in an x-cut periodically poled lithium niobate waveguide
Optics Letters, Vol. 32, Issue 9, pp. 1108-1110 (2007)
http://dx.doi.org/10.1364/OL.32.001108
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Abstract
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
© 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
History
Original Manuscript: December 8, 2006
Revised Manuscript: February 1, 2007
Manuscript Accepted: February 6, 2007
Published: April 3, 2007
Citation
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)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-9-1108
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