Abstract
A simple method to obtain accurate explicit approximation formulae for the properties of an elliptical dielectric waveguide is explained. As examples, expressions for the propagation constant, geometric birefringence, and generalized two-dimensional Petermann spot-size are derived for step refractive index profiles.
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Skinner, I.M. Simple approximation formulae for elliptical dielectric waveguides. Opt Quant Electron 18, 345–354 (1986). https://doi.org/10.1007/BF02032561
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DOI: https://doi.org/10.1007/BF02032561