Impact of the electromagnetic field of single-phase alternating current electrified railways on polarization phenomena in fiber optic light guides
https://doi.org/10.46973/0201-727X_2025_2_19
Abstract
It is shown that under the action of an external electric field in a single-mode fiber optic light guide the Kerr effect appears, and under the influence of a magnetic field – the Faraday effect. In this case there is a change in the ellipticity of polarized radiation and rotation of the large axis of the ellipse. The change in the specified parameters of polarized radiation leads to an increase in polarization mode dispersion. An estimate of the total pulse broadening due to the effect of the electromagnetic field is made. The paper states that such pulse broadening together with pulse broadening due to chromatic dispersion causes a significant limitation of the length of the regeneration section and a decrease in the throughput of fiber optic light guides.
About the Author
E. Z. Savin
Far Eastern State Transport University (FESTU)
Russian Federation
Russian Federation
Savin Evgeniy Zinovievich, Chair “Automation, Telemechanics and Communications”, Candidate of Engineering Sciences, Professor
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Review
For citations:
Savin E.Z. Impact of the electromagnetic field of single-phase alternating current electrified railways on polarization phenomena in fiber optic light guides. Vestnik Rostovskogo Gosudarstvennogo Universiteta Putej Soobshcheniya. 2025;(2):19-27. (In Russ.) https://doi.org/10.46973/0201-727X_2025_2_19
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