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Creators/Authors contains: "VandenBerge, Pieter"

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  1. ; ; ; (, SIAM Journal on Scientific Computing)
    Free, publicly-accessible full text available February 28, 2026
  2. ; ; (, Optics Express)
    A prime objective of modeling optical fibers is capturing mode confinement losses correctly. This paper demonstrates that specific modeling choices, especially regarding the outer fiber cladding regions and the placement of the computational boundary, have significant impacts on the calculated mode losses. This sensitivity of the computed mode losses is especially high for microstructure fibers that do not guide light by total internal reflection. Our results illustrate that one can obtain disparate mode confinement loss profiles for the same optical fiber design simply by moving the boundary to a new material region. We conclude with new recommendations for how to better model these losses. 
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