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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 20, Iss. 10 — Oct. 1, 2002
  • pp: 1876–

Full-Vector Finite-Element Beam Propagation Method for Three-Dimensional Nonlinear Optical Waveguides

Takeshi Fujisawa and Masanori Koshiba

Journal of Lightwave Technology, Vol. 20, Issue 10, pp. 1876- (2002)


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Abstract

A full-vector finite-element beam propagation method (VFE-BPM) in terms of all the components of slowly varying electric fields is described for the analysis of three-dimensional (3-D) nonlinear optical waveguides. Electric fields obtained with this approach can be directly utilized for evaluating nonlinear refractive index distributions. To eliminate nonphysical, spurious solutions, hybrid edge/nodal elements are introduced. Furthermore, to avoid spurious reflections from the computational window edges, anisotropic perfectly matched layer boundary conditions are implemented, and to reduce computational effort for the nonlinear optical waveguide analysis, an iterative algorithm is also introduced. The effectiveness of the present approach is verified by way of numerical examples: nonlinear directional couplers, spatial soliton emission phenomena, and soliton couplers.

[IEEE ]

Citation
Takeshi Fujisawa and Masanori Koshiba, "Full-Vector Finite-Element Beam Propagation Method for Three-Dimensional Nonlinear Optical Waveguides," J. Lightwave Technol. 20, 1876- (2002)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-20-10-1876

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