Optics-to-THz conversion of vortex beams using nonlinear difference frequency generation

Autor: Azat R. Gizatulin, Irina L. Vinogradova, Ivan K. Meshkov, Ilya A. Kuk, A. Kh. Sultanov, Guzel I. Abdrakhmanova, V. Kh. Bagmanov, Elizaveta P. Grakhova

Publikováno v: Компьютерная оптика, Vol 43, Iss 6, Pp 983-991 (2019)

In this paper, using a modified model of slowly varying amplitudes, a process of optics-to-THZ-conversion of vortex beams based on the nonlinear difference frequency generation in a medium with second-order susceptibility is considered. A theoretical

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93c92d0ff58ea25a18aa1563d2574228
http://computeroptics.smr.ru/KO/PDF/KO43-6/430608.pdf

Secured RoF segment in subterahertz range providing independent optical modulation of radiochannel frequency characteristics and phased antenna array beamsteering parameter

Autor: Irina L. Vinogradova, V. Kh. Bagmanov, Anna V. Voronkova, Ivan K. Meshkov, Elizaveta P. Grakhova, Azat R. Gizatulin, A. Kh. Sultanov

Publikováno v: Компьютерная оптика, Vol 42, Iss 5, Pp 786-799 (2018)

Design principles are proposed for a secure subterahertz RoF segment providing independent optical modulation by radiochannel frequency characteristics and a phased antenna array beamsteering parameter. A design scheme of the RoF segment for the W-ra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0485db7de050b9c91f3c38ce5300da7
http://computeroptics.smr.ru/KO/PDF/KO42-5/420509.pdf

An approach for generating and detecting the signals with the given orbital angular momentum for wireless communication systems

Autor: Guzel I. Abdrakhmanova, Elizaveta P. Grakhova, A. Kh. Sultanov, Ivan K. Meshkov, Ilya A. Kuk, Azat R. Gizatulin, Irina L. Vinogradova, V. Kh. Bagmanov

Publikováno v: Journal of Physics: Conference Series. 1368:042038

The paper is devoted to the development of methods for increasing the efficiency of wireless communication channels via the usage of multiplexing by the orbital angular momentum (OAM). This wave property allows us to form an additional basis of ortho

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9045518b78e24a24abf0a45d3fa00b80
https://doi.org/10.1088/1742-6596/1368/4/042038

Influence of the linear mode coupling on the nonlinear impairments in few-mode fibers

Autor: Ruslan V. Kutluyarov, A. Kh. Sultanov, V. Kh. Bagmanov, Vladimir S. Lyubopytov

Publikováno v: Kutluyarov, R V, Lyubopytov, V S, Bagmanov, V K & Sultanov, A K 2017, ' Influence of the linear mode coupling on the nonlinear impairments in few-mode fibers ', Procedia Engineering, vol. 201, pp. 148-154 . https://doi.org/10.1016/j.proeng.2017.09.590

This paper is focused on the influence of the linear mode coupling caused by the fiber bending on the nonlinear distortions in a mode-division multiplexed system. The system under test utilizes the fundamental Gaussian mode and the conjugated first-o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34d6ef7a42244a158b32b186b896f404
https://orbit.dtu.dk/en/publications/16101c62-f4db-4d80-aad0-441ce60f7804

Influence of the modulation format on the nonlinear impairments in space division multiplexed systems

Autor: Ruslan V. Kutluyarov, A. Kh. Sultanov, V. Kh. Bagmanov

Publikováno v: Journal of Physics: Conference Series. 1096:012012

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa4f92bcbdb51454f5f31b6eebbf5beb
https://doi.org/10.1088/1742-6596/1096/1/012012