All-Optical Nonlinear Pre-Compensation of Long-Reach Unrepeatered Systems
Pawel M. Kaminski, Tiago Sutili, Jos\'e H\'elio da Cruz J\'unior,, Glauco C. C. P. Sim\~oes, Francesco Da Ros, Metodi P. Yankov, Henrik E., Hansen, Anders T. Clausen, S{\o}ren Forchhammer, Leif K. Oxenl{\o}we, Rafael, C. Figueiredo, and Michael Galili
TL;DR
This paper demonstrates a novel all-optical nonlinear pre-compensation module that significantly improves signal quality in long-reach unrepeatered optical fiber links by optimizing propagation symmetry.
Contribution
It introduces an optimized all-optical pre-compensation design specifically for long-reach Raman-amplified unrepeatered systems, enhancing performance over existing methods.
Findings
Achieves 4.0dB SNR improvement for 250 km links
Achieves 2.6dB SNR improvement for 350 km links
Optimized propagation symmetry enhances transmission performance
Abstract
We numerically demonstrate an all-optical nonlinearity pre-compensation module for state-of-the-art long-reach Raman-amplified unrepeatered links. The compensator design is optimized in terms of propagation symmetry to maximize the performance gains under WDM transmission, achieving 4.0dB and 2.6dB of SNR improvement for 250-km and 350-km links.
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