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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 19 — Sep. 15, 2008
  • pp: 14496–14511

Scalar time domain modeling and coupling of second harmonic generation process in GaAs discontinuous optical waveguide

A. Massaro, V. Tasco, M. T. Todaro, R. Cingolani, M. De Vittorio, and A. Passaseo  »View Author Affiliations

Optics Express, Vol. 16, Issue 19, pp. 14496-14511 (2008)

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We present in this work the scalar potential formulation of second harmonic generation process in χ(2) nonlinear analysis. This approach is intrinsically well suited to the applications of the concept of circuit analysis and synthesis to nonlinear optical problems, and represents a novel alternative method in the analysis of nonlinear optical waveguide, by providing a good convergent numerical solution. The time domain modeling is applied to nonlinear GaAs asymmetrical waveguide with dielectric discontinuities in the hypothesis of quasi phase matching condition in order to evaluate the efficiency conversion of the second harmonic signal. The accuracy of the modeling is validated by the good agreement with the published experimental results. The effective dielectric constant method allows to extend the analysis also to 3D optical waveguides.

© 2008 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(310.0310) Thin films : Thin films

ToC Category:
Nonlinear Optics

Original Manuscript: June 10, 2008
Revised Manuscript: July 22, 2008
Manuscript Accepted: August 1, 2008
Published: September 2, 2008

A. Massaro, V. Tasco, M. T. Todaro, R. Cingolani, M. De Vittorio, and A. Passaseo, "Scalar time domain modeling and coupling of second harmonic generation process in GaAs discontinuous optical waveguide," Opt. Express 16, 14496-14511 (2008)

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