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Expansion on free-space modes for fast and accurate evaluation of vectorial modes of arbitrary waveguides

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Abstract

A novel method of expansion of the mode of an arbitrary waveguide on the modes of free space based on coupled-mode theory is presented. We propose a detailed algorithm based on this expansion to solve efficiently waveguide problems. We call this method Vectorial Free-Space Mode Expansion Method (VFSMEM). It is shown to have the potential to deliver precise fields and effective indices of arbitrary waveguides in a short computation time. Several possible improvements on our current implementation are also presented.

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Authors and Affiliations

  1. École Polytechnique de Montréal, Engineering Physics, PO Box 6079, station Centre-Ville, Montréal, (Québec), Canada, H3C 3A7

    N. Godbout, C. Hayet & S. Lacroix

Authors
  1. N. Godbout
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  2. C. Hayet
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  3. S. Lacroix
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Godbout, N., Hayet, C. & Lacroix, S. Expansion on free-space modes for fast and accurate evaluation of vectorial modes of arbitrary waveguides. Optical and Quantum Electronics 30, 403–411 (1998). https://doi.org/10.1023/A:1006914213515

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  • DOI: https://doi.org/10.1023/A:1006914213515

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