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21 November 2017 Field distribution in the input coupling region of planar single-mode waveguides
Werner Klaus, Walter Leeb
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Proceedings Volume 10567, International Conference on Space Optics — ICSO 2006; 105673G (2017) https://doi.org/10.1117/12.2308120
Event: International Conference on Space Optics 2006, 2006, Noordwijk, Netherlands
Abstract
We apply a numerical method for calculating the field distribution in the region immediately behind the input facet of a dielectric step-index single-mode slab waveguide. The input waves considered are focused plane waves and Gaussian beams of various diameters, with and without misalignment. The figures obtained show the formation of radiation modes and the development of the fundamental guided mode and thus give hints on how to design pieces of single-mode fibers that are to be used as modal filters, e.g., in astronomical interferometers with excessive nulling requirements.
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Werner Klaus and Walter Leeb "Field distribution in the input coupling region of planar single-mode waveguides", Proc. SPIE 10567, International Conference on Space Optics — ICSO 2006, 105673G (21 November 2017); https://doi.org/10.1117/12.2308120
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KEYWORDS
Waveguides
Gaussian beams
Numerical analysis
Antireflective coatings
Optical filters
Systems modeling
Visualization
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