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Joint Subcarrier Phase Recovery for Nonlinearity Mitigation

Secondini, Marco et al.
arXiv (All) · Papers
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signal-processing
We propose a low-complexity phase recovery scheme that simultaneously mitigates laser phase noise and fiber nonlinearity across several subcarriers. In a long single-span link with Raman amplification, the scheme achieves 0.9 dB gain with 99 real multiplications per complex symbol.
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