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Mode dispersion characteristics of graded-index optical waveguides

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Abstract

A method to compute the propagating modes of graded index waveguides with an arbitrary refractive index distribution is proposed, based on the variational method applied to the integral wave equation. The method is applied to two refractive index distributions: a Gaussian index distribution and a complementary error-function index distribution. The results are compared with the predictions of perturbation analysis and are experimentally verified by measuring the mode spectrum of a Ti-diffused LiNbO3 waveguide.

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Authors and Affiliations

  1. Institute of Solid State Physics, Bulgarian Academy of Sciences, BG-1113, Sofia, Bulgaria

    L. Mashev

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  1. L. Mashev
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Mashev, L. Mode dispersion characteristics of graded-index optical waveguides. Appl. Phys. 17, 189–192 (1978). https://doi.org/10.1007/BF00885254

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  • DOI: https://doi.org/10.1007/BF00885254

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