channel waveguides, refractive index profile, finite elements method, B-splines, computing modeling " />

COMPUTATION OF OPTICAL CHANNEL WAVEGUIDE WITH ARBITRARY REFRACTIVE INDEX ALLOCATION USING B-SPLINE METHOD

G. . Deineka, V. . Serebryakova


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Abstract

 

The universal strategy of parameters computation for channel optical waveguide with arbitrary refractive index
distribution is presented in this work. All calculations are performed from the first principle of reduced wave
equation (Helmholtz’s equation). The algorithm is based on the finite elements method using B-splines.
Calculation results for channel waveguide with defined index profile and various geometrical configurations are
represented as well. The comparison of the obtained results with the results by the known numerical methods is
given too in this article.

Keywords:   channel waveguides, refractive index profile, finite elements method, B-splines, computing modeling
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