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Nonlinear Noise Statistics in a High-Speed Optical Communication Line without Dispersion Compensation

  • FIBER-OPTIC COMMUNICATION LINES, FIBER SENSORS
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Abstract—

The communication line without compensation of dispersion is considered. It is shown analytically and numerically that the field power in the fiber on almost the entire length of the communication line is given by the \(\chi _{2}^{2}\) distribution. Using the 8-PSK format as an example, we have obtained the dependences of the phase noise dispersion in the chirp parameter of initial pulses. It is found that the accumulated phase shift has the normal distribution with a dispersion decreasing upon an increase in the chirp of the initial Gaussian pulses. We propose an adequate linear estimate of the accumulated nonlinearity.

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Funding

This study was supported by the Ministry of Science and Higher Education of the Russian Federation (project AAAA-A21-121012190005-2).

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Authors and Affiliations

  1. Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    E. G. Shapiro & D. A. Shapiro

Authors
  1. E. G. Shapiro
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  2. D. A. Shapiro
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Correspondence to D. A. Shapiro.

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The authors declare that they have no conflict of interests.

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Translated by N. Wadhwa

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Shapiro, E.G., Shapiro, D.A. Nonlinear Noise Statistics in a High-Speed Optical Communication Line without Dispersion Compensation. Bull. Lebedev Phys. Inst. 49 (Suppl 1), S96–S104 (2022). https://doi.org/10.3103/S1068335622130103

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  • DOI: https://doi.org/10.3103/S1068335622130103

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