Coupled-Band ESSFM for Low-Complexity DBP
arXiv:2405.08396
Abstract
We propose a novel digital backpropagation (DBP) technique that combines perturbation theory, subband processing, and splitting ratio optimization. We obtain 0.23 dB, 0.47 dB, or 0.91 dB gains w.r.t. dispersion compensation with only 74, 161, or 681 real multiplications/2D-symbol, improving significantly on existing DBP techniques.
The paper has been submitted for publication to ECOC 2024