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|Title:||Scanning-based chromatic dispersion estimation in mode-multiplexed optical systems|
|Author:||Ospina, Ruby S. B.|
Santos, Lailson F. dos
Mello, Darli A. A.
Ferreira, Filipe M.
|Abstract:||Mode-multiplexed coherent optical systems emerge as an alternative to overcome the capacity limits of current optical communication systems. As in single-mode systems, mode-multiplexed transmission experiences accumulated chromatic dispersion that must be estimated and compensated for by digital signal processing. Although scanning-based methods are widely used to estimate chromatic dispersion in single-mode optical systems, their performance in mode-multiplexed systems has not been evaluated. In this paper, we study three scanning-based chromatic dispersion estimation techniques in the scope of mode-multiplexed optical systems. The results indicate that the algorithms loose accuracy for high levels of crosstalk and ASE noise. However, we show that the estimation criterion based on the delay-tap sampling method can be properly modified to significantly improve the estimation performance even in the worst scenario of crosstalk evaluate|
Tecnologia de fibra óptica
|Editor:||Institute of Electrical and Electronics Engineers|
|Appears in Collections:||FEEC - Artigos e Outros Documentos|
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