Abstract
A rigorous mode solver for multilayer fiber configurations using a Constraint Optimization method is presented. For an arbitrary number of dielectric or metallic layers the cylindrical wave equations are solved exactly. The transition between the different layers implies a coupling of all field components. Case examples of three unconventional fiber structures (Air-ARROW-fiber, metal-coated fiber, core to ring fiber coupler) are presented. Mode dispersions charts and field characteristics are calculated to demonstrate the performance of the constraints optimization method applied.
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Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License ( https://creativecommons.org/licenses/by-nc/2.0 ), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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Langbein, U., Trutschel, U., Unger, A. et al. Rigorous mode solver for multilayer cylindrical waveguide structures using constraints optimization. Opt Quant Electron 41, 223–233 (2009). https://doi.org/10.1007/s11082-009-9344-8
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DOI: https://doi.org/10.1007/s11082-009-9344-8