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Joint Subcarrier Phase Recovery for Nonlinearity Mitigation

Marco Secondini, Stella Civelli

Abstract

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.

Joint Subcarrier Phase Recovery for Nonlinearity Mitigation

Abstract

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.
Paper Structure (4 sections, 1 equation, 2 figures)

This paper contains 4 sections, 1 equation, 2 figures.

Table of Contents

  1. Introduction
  2. Joint Subcarrier Phase Recovery Scheme
  3. Performance Analysis
  4. Conclusion

Figures (2)

  • Figure 1: Joint-subcarrier phase recovery (JSCPR) scheme.
  • Figure 2: System performance without (solid) or with (dashed) laser phase noise.