Statistics of the Kerr-nonlinearities and linear mode coupling interaction in the few mode fiber optical communications

Ruslan V. Kutluyarov; Grigory S. Voronkov; Albert Kh. Sultanov

doi:10.1117/12.2526483

24 June 2019 Statistics of the Kerr-nonlinearities and linear mode coupling interaction in the few mode fiber optical communications

Ruslan V. Kutluyarov, Grigory S. Voronkov, Albert Kh. Sultanov

Author Affiliations +

Proceedings Volume 11146, Optical Technologies for Telecommunications 2018; 111460B (2019) https://doi.org/10.1117/12.2526483
Event: XVI International Scientific and Technical Conference on Optical Technologies in Telecommunications, 2018, Ufa, Russian Federation

Abstract

In this paper we study statistical properties of nonlinear impairments enhancement due to linear mode coupling in few mode optical fibers. Previously we have shown that strong linear mode coupling leads to the enlargement of nonlinear distortions, but in the case of the weak linear mode coupling this phenomenon shows itself in the stochastic manner. Therefore we use simulations based on numerical solving of the generalized coupled nonlinear Schrödinger equations to plot distribution histograms of the difference between rms of nonlinear impairments in the case of presence and in the case of absence of the weak linear mode coupling for different mean lengths of coupling fiber sections, different values of signal power, and modulation formats. Presented results show that distribution plotted for the fundamental mode has higher dispersion than the same one for the first- or second-order modes. In mode division multiplexed systems it means that channel using fundamental mode as a carrier is more affected to nonlinear impairments enhancement than mode channels of higher orders. Nonlinear impairments may sufficiently decrease the effectiveness of linear coupling compensation for all the mode channels.

Citation Download Citation

Ruslan V. Kutluyarov, Grigory S. Voronkov, and Albert Kh. Sultanov "Statistics of the Kerr-nonlinearities and linear mode coupling interaction in the few mode fiber optical communications", Proc. SPIE 11146, Optical Technologies for Telecommunications 2018, 111460B (24 June 2019); https://doi.org/10.1117/12.2526483

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