Finite-element solution of arbitrarily nonlinear, graded-index slab waveguides

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Finite-element solution of arbitrarily nonlinear, graded-index slab waveguides

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Dispersion relations for TE modes in arbitrarily nonlinear, graded-index slab waveguides are solved numerically by the finite-element method. In this approach, self-consistent solutions can be obtained by a simple iteration. It is shown that a small deviation from the Kerr-type nonlinear effect gives rise to a drastic change in the power-dependent behaviour of guided waves. The dependence of dispersion relations on the refractive-index profile of the film is also examined.

Inspec keywords: optical Kerr effect; gradient index optics; optical waveguides; finite element analysis

Other keywords: dispersion relations; refractive-index profile; Kerr-type nonlinear effect; iteration; power-dependent behaviour; graded-index slab waveguides; TE modes; finite-element method

Subjects: Nonlinear optics and devices; Optical waveguides and couplers; Beam trapping, self focusing, thermal blooming, and related effects; Optical waveguides

References

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An Erratum has been published for this content:
Erratum: Finite-element solution of arbitrarily nonlinear, graded-index slab waveguides