Experimental Investigation into Split Nonlinearity Compensation in Single and Multi-channel WDM Systems
Ronit Sohanpal, Eric Sillekens, Jiaqian Yang, R\^omulo Aparecido,, Zhixin Liu, Robert Killey, Polina Bayvel
TL;DR
This paper experimentally evaluates split nonlinearity compensation in single and multi-channel WDM systems, demonstrating significant SNR gains over traditional methods by addressing signal-ASE beating limitations.
Contribution
It provides the first experimental comparison showing split NLC schemes outperform transmitter- or receiver-side digital backpropagation alone in long-distance WDM systems.
Findings
Split NLC achieves >0.4 dB SNR gain at 5540 km.
Split NLC outperforms single-sided NLC in multi-channel systems.
Performance limited by signal-ASE beating in high-distance transmission.
Abstract
We experimentally investigated the performance of split nonlinearity compensation schemes for single and multi-channel WDM systems. We show that split NLC SNR gains of more than 0.4 dB at 5540 km can be achieved compared to transmitter- or receiver-side DBP alone when signal-ASE beating limits transmission performance.
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Taxonomy
TopicsOptical Network Technologies · Advanced Optical Network Technologies · Advanced Photonic Communication Systems