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Kvantovaya Elektronika, 2020, Volume 50, Number 2, Pages 184–186 (Mi qe17186)  

Fibreoptic communication lines

Nonlinear noise suppression in a high-rate optical channel with phase modulation and dispersion compensation

E. G. Shapiroab, D. A. Shapiroab

a Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, Novosibirsk
b Novosibirsk State University

Abstract: We have performed a numerical simulation of transmission of optical DP QPSK signals at a rate of 40 Gbaud over a distance of 2000 km. It is shown that a channel with large negative dispersion and preliminary large positive pulse chirping significantly reduces nonlinear distortion and improves the signal quality. To further reduce the probability of recognition error, it is proposed, instead of a negative dispersion fibre, to use compensators with low attenuation.

Keywords: fibre-optic communication lines, mathematical simulation, nonlinear Schrödinger equation, chromatic dispersion.

Funding Agency Grant Number
Ministry of Education and Science of the Russian Federation 1201364502


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English version:
Quantum Electronics, 2020, 50:2, 184–186

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Received: 09.04.2019
Revised: 03.06.2019

Citation: E. G. Shapiro, D. A. Shapiro, “Nonlinear noise suppression in a high-rate optical channel with phase modulation and dispersion compensation”, Kvantovaya Elektronika, 50:2 (2020), 184–186 [Quantum Electron., 50:2 (2020), 184–186]

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  • http://mi.mathnet.ru/eng/qe/v50/i2/p184

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  • Квантовая электроника Quantum Electronics
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