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Kvantovaya Elektronika, 2016, Volume 46, Number 10, Pages 924–929 (Mi qe16473)  

Fibreoptic devices

Optical signal quality improvement due to nonlinear interaction between spectral channels

V. A. Konyshevab, A. V. Leonovb, O. E. Naniicb, A. G. Novikovb, I. I. Shikhalievb, V. N. Treshchikovdb, R. R. Ubaydullaevb

a Institute for the History of Science and Technology named after S. I. Vavilov RAS, Moscow
b "T8" LLC, Moscow
c Lomonosov Moscow State University, Faculty of Physics
d Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences
References:
Abstract: This paper examines stimulated Brillouin scattering (SBS) suppression in multichannel DWDM systems owing to nonlinear cross interaction between the channels and its effect on optical signal quality (1/OSNRR) in a communication link. We present an experimental study of single-, three- and five-channel systems with 10 Gbit s-1 NRZ channels. The optical signal quality in the three- and five-channel systems is shown to be better than that in the single-channel system. The reason for this is that cross-phase modulation broadens the spectrum of the signal and raises the SBS threshold. This in turn ensures a more pronounced optical signal quality improvement due to self-phase modulation.
Keywords: multichannel DWDM systems, nonlinear interaction between channels, optical signal quality, cross-phase modulation, self-phase modulation.
Received: 09.02.2016
Revised: 25.08.2016
English version:
Quantum Electronics, 2016, Volume 46, Issue 10, Pages 924–929
DOI: https://doi.org/10.1070/QEL16031
Bibliographic databases:
Document Type: Article
Language: Russian


Citation: V. A. Konyshev, A. V. Leonov, O. E. Nanii, A. G. Novikov, I. I. Shikhaliev, V. N. Treshchikov, R. R. Ubaydullaev, “Optical signal quality improvement due to nonlinear interaction between spectral channels”, Kvantovaya Elektronika, 46:10 (2016), 924–929 [Quantum Electron., 46:10 (2016), 924–929]
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    Квантовая электроника Quantum Electronics
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