Reducing the complexity of digital nonlinear compensation for high-speed coherent optical communication systems

Fernando P. Guiomar; Sofia B. Amado; Armando N. Pinto

doi:10.1117/12.2063839

22 August 2014 Reducing the complexity of digital nonlinear compensation for high-speed coherent optical communication systems

Fernando P. Guiomar, Sofia B. Amado, Armando N. Pinto

Author Affiliations +

Proceedings Volume 9286, Second International Conference on Applications of Optics and Photonics; 92864L (2014) https://doi.org/10.1117/12.2063839
Event: Second International Conference on Applications of Optics and Photonics, 2014, Aveiro, Portugal

Abstract

We perform a thorough performance and complexity analysis of a recently proposed Volterra series nonlinear equalizer (VSNE) for digital post-compensation of nonlinear fiber impairments in high-speed and long-haul coherent optical communication systems. Using a maximum absolute value selection criteria, we implement a pruning strategy for the matrix-based VSNE and compare its performance/complexity with the symmetric VSNE (symVSNE) and simpli ed VSNE (simVSNE) algorithms. The theoretical analysis is supported by simulation results obtained for a single-channel 224 Gb/s PM-16QAM transmission system with a signal propagation distance of 1920 km.

Citation Download Citation

Fernando P. Guiomar, Sofia B. Amado, and Armando N. Pinto "Reducing the complexity of digital nonlinear compensation for high-speed coherent optical communication systems", Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92864L (22 August 2014); https://doi.org/10.1117/12.2063839

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