Nonlinear impairments in mode division multiplexed systems

Ruslan V. Kutluyarov, Vladimir S. Lyubopytov, Valeriy Kh Bagmanov, Albert Kh Sultanov

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Abstract

In this paper we consider nonlinear impairments of mode division multiplexed signals with QAM modulation in optical fibers with linear mode coupling of spatial modes. We simulate simultaneous propagation of fundamental mode and two first-order vortex modes in standard single mode fiber at 850 nm and propagation of fundamental mode and first-and second-order vortices in step-index fiber with enlarged core at 1550 nm. Simulation results shows that in strong coupling regime linear coupling lead to sufficient increasing of nonlinear impairments, but QAM-modulated signal is more robust to this effect than OOK modulated signal.

Original languageEnglish
Title of host publicationProceedings of SPIE
Number of pages9
Volume10774
PublisherSPIE - International Society for Optical Engineering
Publication date1 Jan 2018
Article number107741U
ISBN (Electronic)9781510621190
DOIs
Publication statusPublished - 1 Jan 2018
Event15th International Conference on Optical Technologies for Telecommunications - Kazan, Russian Federation
Duration: 20 Nov 201723 Nov 2017

Conference

Conference15th International Conference on Optical Technologies for Telecommunications
CountryRussian Federation
CityKazan
Period20/11/201723/11/2017
SeriesProceedings of SPIE - The International Society for Optical Engineering
Volume10774
ISSN0277-786X

Keywords

  • few-mode fibers
  • Kerr-nonlinearities
  • mode division multiplexing
  • vortex modes

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