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Avtometriya

2019 year, number 1

POLARIZATION TRANSFORMATION BY CONVERSION OF TM0-TE1 MODES IN AN ION-EXCHANGE GLASS WAVEGUIDE

M. M. Vekshin, N. A. Yakovenko
Kuban State University, ul. Stavropol'skaya 149, Krasnodar, 350040
Keywords: интегральная оптика, поляризация оптического излучения, волноводная мода, integrated optics, polarization of optical radiation, waveguide mode

Abstract

The mode composition of a four-layer optical waveguide consisting of an ion exchange channel waveguide in glass coated with a highly refractive nanoscale dielectric film has been studied.яIt has been found that varying the geometric dimensions of the film changes the polarization states of the second and third waveguide modes: the TM0 mode is transformed into the TE1 mode, and the TE1 mode becomes the TM0 mode.яBased on this, a new method of constructing a waveguide polarization converter has been proposed and experimentally confirmed