Marques Ferreira, F;
Sygletos, S;
Sillekens, E;
Killey, R;
Ellis, A;
Doran, N;
(2020)
On the Performance of Digital Back Propagation in Spatial Multiplexing Systems.
Journal of Lightwave Technology
10.1109/JLT.2020.2975982.
(In press).
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Abstract
Nonlinear performance in spatial multiplexing systems is strongly determined by the interplay between differential mode delay, linear mode coupling and Kerr nonlinearity. In this work we review and extend the analysis of different solution methods for the linear coupling operator in the coupled nonlinear Schrodinger equation for spatial multiplexed propagation. Numerical solution methods are compared for different operational regimes as determined by differential mode delay and linear mode coupling. Finally, we review and extend the study of digital methods to mitigate the Kerr nonlinearity for arbitrary levels of random linear mode coupling. For the first time, it is shown that in spatial multiplexing systems transmission performance can be improved by reducing the number of back propagated channels for non-negligible levels of differential mode delay.
| Type: | Article |
|---|---|
| Title: | On the Performance of Digital Back Propagation in Spatial Multiplexing Systems |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/JLT.2020.2975982 |
| Publisher version: | https://doi.org/10.1109/JLT.2020.2975982 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Digital-Back Propagation, Linear Mode Coupling, Spatial Division Multiplexing. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10091964 |
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