Generation of optical signals carrying OAM based on vortex fiber-optic periodic structures
In this article, author considers the process of generation of fiber modes carrying orbital angular momentum (vortex modes) using chiral fiber Bragg gratings; in this context, the formation of vortex modes is carried out by converting thefundamental mode into higher order modes. Within the framework...
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| Format: | Article |
| Language: | English |
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Povolzhskiy State University of Telecommunications & Informatics
2020-12-01
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| Series: | Физика волновых процессов и радиотехнические системы |
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| Online Access: | https://journals.ssau.ru/pwp/article/viewFile/8233/7916 |
| _version_ | 1797382568963735552 |
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| author | Azat R. Gizatulin |
| author_facet | Azat R. Gizatulin |
| author_sort | Azat R. Gizatulin |
| collection | DOAJ |
| description | In this article, author considers the process of generation of fiber modes carrying orbital angular momentum (vortex modes) using chiral fiber Bragg gratings; in this context, the formation of vortex modes is carried out by converting thefundamental mode into higher order modes. Within the framework of the article, a generalized mathematical model of chiral fiber Bragg gratings is presented, which includes 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 for describing chiral fiber Bragg gratings is proposed, based on the mathematical apparatus of the coupled modes theory and scattering matrices. This matrix approach is convenient for describing complex and / or cascaded gratings. In addition, in this work, simulation of the considered fiber structures is carried out. |
| first_indexed | 2024-03-08T21:07:20Z |
| format | Article |
| id | doaj.art-4f93d3196d64472f9dc4ffe3091aacd5 |
| institution | Directory Open Access Journal |
| issn | 1810-3189 2782-294X |
| language | English |
| last_indexed | 2024-03-08T21:07:20Z |
| publishDate | 2020-12-01 |
| publisher | Povolzhskiy State University of Telecommunications & Informatics |
| record_format | Article |
| series | Физика волновых процессов и радиотехнические системы |
| spelling | doaj.art-4f93d3196d64472f9dc4ffe3091aacd52023-12-22T10:31:40ZengPovolzhskiy State University of Telecommunications & InformaticsФизика волновых процессов и радиотехнические системы1810-31892782-294X2020-12-01233182610.18469/1810-3189.2020.23.3.18-267508Generation of optical signals carrying OAM based on vortex fiber-optic periodic structuresAzat R. Gizatulin0Ufa State Aviation Technical UniversityIn this article, author considers the process of generation of fiber modes carrying orbital angular momentum (vortex modes) using chiral fiber Bragg gratings; in this context, the formation of vortex modes is carried out by converting thefundamental mode into higher order modes. Within the framework of the article, a generalized mathematical model of chiral fiber Bragg gratings is presented, which includes 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 for describing chiral fiber Bragg gratings is proposed, based on the mathematical apparatus of the coupled modes theory and scattering matrices. This matrix approach is convenient for describing complex and / or cascaded gratings. In addition, in this work, simulation of the considered fiber structures is carried out.https://journals.ssau.ru/pwp/article/viewFile/8233/7916fiber bragg gratingsorbital angular momentumapodizationchirpmode coupling theory |
| spellingShingle | Azat R. Gizatulin Generation of optical signals carrying OAM based on vortex fiber-optic periodic structures Физика волновых процессов и радиотехнические системы fiber bragg gratings orbital angular momentum apodization chirp mode coupling theory |
| title | Generation of optical signals carrying OAM based on vortex fiber-optic periodic structures |
| title_full | Generation of optical signals carrying OAM based on vortex fiber-optic periodic structures |
| title_fullStr | Generation of optical signals carrying OAM based on vortex fiber-optic periodic structures |
| title_full_unstemmed | Generation of optical signals carrying OAM based on vortex fiber-optic periodic structures |
| title_short | Generation of optical signals carrying OAM based on vortex fiber-optic periodic structures |
| title_sort | generation of optical signals carrying oam based on vortex fiber optic periodic structures |
| topic | fiber bragg gratings orbital angular momentum apodization chirp mode coupling theory |
| url | https://journals.ssau.ru/pwp/article/viewFile/8233/7916 |
| work_keys_str_mv | AT azatrgizatulin generationofopticalsignalscarryingoambasedonvortexfiberopticperiodicstructures |