This article is cited in 19 papers

Optical transmission of information

Numerical simulation of current experimental 100 Gbit s^-1 DWDM communication lines

O. V. Yushko^ab, O. E. Nanii^cd, A. A. Redyuk^ab, V. N. Treshchikov^d, M. P. Fedoruk<sup>ab

a</sup> Institute of Computing Technologies, Siberian Branch of the Russian Academy of Sciences, Novosibirsk
^b Novosibirsk State University
^c M. V. Lomonosov Moscow State University, Faculty of Physics
^d "T8" LLC, Moscow

Abstract: We report the results of experimental and numerical studies of the maximum length of multi-span DP-QPSK DWDM communication lines (channel rate of 100 Gbit s^-1) with 100-kmlong uniform and combined spans. The use of the combined spans (50 km of SSMF fibre and 50 km of NZDSF fibre) has allowed the maximum line length to be increased up to 6700 km, which is 60% higher than in the case of homogeneous SSMF- and NZDSF-based spans.

Keywords: coherent communication lines, polarisation division multiplexing, numerical modelling, nonlinear Schrödinger equation.

PACS: 42.79.Sz, 42.81.Uv

Received: 16.07.2014
Revised: 09.09.2014

 English version: Quantum Electronics, 2015, 45:1, 75–77

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