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Optics Letters

Optics Letters


  • Vol. 24, Iss. 18 — Sep. 15, 1999
  • pp: 1299–1301

Second-harmonic generation in He+-implanted gadolinium calcium oxoborate planar waveguides

A. Boudrioua, J. C. Loulergue, P. Moretti, B. Jacquier, G. Aka, and D. Vivien  »View Author Affiliations

Optics Letters, Vol. 24, Issue 18, pp. 1299-1301 (1999)

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What is believed to be the first investigation of second-harmonic generation (SHG) in Ca4GdO (BO3)3 waveguides is reported. A planar waveguide was formed by 2-MeV-helium implantation. We cut the sample to achieve type I noncritical phase matching of an 823-nm fundamental wave for fundamental light propagating along the y axis and polarized along the z crystallophysic axis of the crystal. SHG was achieved with a relatively low pumping power of a cw Ti:sapphire laser. The results indicate that the nonlinearity of the material remains in the guiding region after ion implantation.

© 1999 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.3130) Integrated optics : Integrated optics materials
(160.4330) Materials : Nonlinear optical materials
(190.4400) Nonlinear optics : Nonlinear optics, materials
(230.7370) Optical devices : Waveguides
(230.7390) Optical devices : Waveguides, planar

A. Boudrioua, J. C. Loulergue, P. Moretti, B. Jacquier, G. Aka, and D. Vivien, "Second-harmonic generation in He+-implanted gadolinium calcium oxoborate planar waveguides," Opt. Lett. 24, 1299-1301 (1999)

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