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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 10, Iss. 9 — Sep. 1, 1993
  • pp: 1565–1571

Propagation characteristics of nonlinear graded-index optical waveguides

M. De Sario, A. D’Orazio, V. Petruzzelli, and F. Prudenzano  »View Author Affiliations

JOSA B, Vol. 10, Issue 9, pp. 1565-1571 (1993)

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We describe a quite general and accurate approach for determining the dispersion equation of TE-polarized modes propagating in planar graded-index waveguides bounded on one side by a self-focusing nonlinear cover with finite thickness. The proposed structure appears to be appropriate for wavelength converters based on a four-wave mixing process. The dependence of the guided power flow along the proposed four-layered structure (which is different from others previously published) on the refractive-index profile parameters is investigated. The validity of the reported numerical results is confirmed by the beam-propagation-method simulation. Moreover, a particular waveguide configuration is described, one especially designed to maximize the power confinement in the nonlinear medium.

© 1993 Optical Society of America

Original Manuscript: October 13, 1992
Revised Manuscript: March 31, 1993
Published: September 1, 1993

M. De Sario, A. D’Orazio, V. Petruzzelli, and F. Prudenzano, "Propagation characteristics of nonlinear graded-index optical waveguides," J. Opt. Soc. Am. B 10, 1565-1571 (1993)

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