A new technique is presented for the fabrication of deep x-cut PPLN. The method takes advantage of a ridge structure to improve the field penetration into the crystal. PPLN deeper than 6.5 microns is obtained.
© 2006 Optical Society of America
(130.0130) Integrated optics : Integrated optics
(130.3730) Integrated optics : Lithium niobate
(190.0190) Nonlinear optics : Nonlinear optics
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
F. Généreux, G. Baldenberger, B. Bourliaguet, and R. Vallée, "Deep X-Cut PPLN for Efficient Frequency Conversion," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper JThC55.