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Zhurnal Tekhnicheskoi Fiziki, 2024, Volume 94, Issue 4, Pages 664–670
DOI: https://doi.org/10.61011/JTF.2024.04.57539.303-23 (Mi jtf6762) 		 
Photonics

Influence of nonlinear noise correlation on transmission range

A. Yu. Igumenovab, V. A. Konyshevc, T. O. Lukinykhc, O. E. Naniibd, A. G. Novikovc, I. I. Petrenkoc, D. D. Starykhc, V. N. Treshchikovbe, R. R. Ubaydullaevc

a Moscow Institute of Physics and Technology (National Research University), 117303 Dolgoprudny, Moscow Region, Russia
b T8 LLC, 107076 Moscow, Russia
c T8 Scientific and Technical Center, 107076 Moscow, Russia
d Department of Physics, Moscow State University, 119991 Moscow, Russia
e Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences, 141190 Fryazino, Moscow oblast, Russia
Full-text PDF (1028 kB)
DOI: https://doi.org/10.61011/JTF.2024.04.57539.303-23
Abstract: It has been established that the physical mechanism for increasing the operating range of coherent communication systems with digital compensation for linear signal distortions in the receiver is to reduce the correlation of nonlinear interference noise from neighboring spans in the absence of physical chromatic dispersion compensators. It is shown that changing the correlation coefficient $\varepsilon$ from 1 (a characteristic value for a fiber-optic link with full physical chromatic dispersion compensation) to 0 (the minimum value for a fiber-optic link without physical chromatic dispersion compensation) leads to a several times increase in the operating range. The optimal relationship between the gains of erbium fiber amplifiers and optical power losses in spans adjacent to the amplifier has been determined, ensuring maximum operating range of lines with an arbitrary value of the nonlinear noise correlation coefficient.
Keywords: DWDM-FOCL, OSNR required, EDFA BER, ASE-noise, nonlinear noise, Gaussian noise, coherent data transmission, multi-span FOCL with/without chromatic dispersion compensators.
Received: 12.12.2023
Revised: 15.02.2024
Accepted: 18.02.2024
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. Yu. Igumenov, V. A. Konyshev, T. O. Lukinykh, O. E. Nanii, A. G. Novikov, I. I. Petrenko, D. D. Starykh, V. N. Treshchikov, R. R. Ubaydullaev, “Influence of nonlinear noise correlation on transmission range”, Zhurnal Tekhnicheskoi Fiziki, 94:4 (2024), 664–670
Citation in format AMSBIB
\Bibitem{IguKonLuk24}
\by A.~Yu.~Igumenov, V.~A.~Konyshev, T.~O.~Lukinykh, O.~E.~Nanii, A.~G.~Novikov, I.~I.~Petrenko, D.~D.~Starykh, V.~N.~Treshchikov, R.~R.~Ubaydullaev
\paper Influence of nonlinear noise correlation on transmission range
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2024
\vol 94
\issue 4
\pages 664--670
\mathnet{http://mi.mathnet.ru/jtf6762}
\elib{https://elibrary.ru/item.asp?id=64993588}
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