Abstract
Using a simple analytical method, we study the electromagnetic-wave propagation in an optical Bragg waveguide which is slightly deformed at one side. We show the results of computations in the form of dispersion curves and provide a comparison with standard circular Bragg waveguides and step-index circular waveguides. We show that the correspondence between the cutoff V values for the standard step-index fiber and the new Bragg waveguide, which is slightly flattened on one side, is quite close for the lowest mode under the weak guidance condition.
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Prajapati, Y., Saini, J.P., Chauhan, D.S. et al. Analytical solution of the scalar wave equation for slightly deformed optical Bragg waveguide. J Russ Laser Res 34, 139–145 (2013). https://doi.org/10.1007/s10946-013-9334-y
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DOI: https://doi.org/10.1007/s10946-013-9334-y