Chiral fiber Bragg gratings for vortex signal generation

Azat R. Gizatulin; Ivan K. Meshkov; Irina L. Vinogradova; Valeriy Kh. Bagmanov; Albert Kh. Sultanov

doi:10.1117/12.2593041

22 June 2021 Chiral fiber Bragg gratings for vortex signal generation

Azat R. Gizatulin, Ivan K. Meshkov, Irina L. Vinogradova, Valeriy Kh. Bagmanov, Albert Kh. Sultanov

Proceedings Volume 11793, Optical Technologies for Telecommunications 2020; 117930A (2021) https://doi.org/10.1117/12.2593041
Event: Eighteenth International Scientific and Technical Conference "Optical Technologies for Communications", 2020, Samara, Russian Federation

Abstract

In this paper the chiral fiber Bragg gratings (ChFBG) for generation of fiber modes carrying orbital angular momentum (OAM, vortex modes) are considered. Within the framework of the article, a generalized mathematical model of ChFBG is presented including an arbitrary function of apodization and chirping, which makes it possible to calculate gratings that form vortex modes of a given order for the required frequency range with the required reflection coefficient. In addition, a matrix method based on the mathematical apparatus of the coupled modes theory for describing ChFBG is proposed, simulation of the considered fiber structures is carried out.

Citation Download Citation

Azat R. Gizatulin, Ivan K. Meshkov, Irina L. Vinogradova, Valeriy Kh. Bagmanov, and Albert Kh. Sultanov "Chiral fiber Bragg gratings for vortex signal generation", Proc. SPIE 11793, Optical Technologies for Telecommunications 2020, 117930A (22 June 2021); https://doi.org/10.1117/12.2593041

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