Volterra-Based Reconfigurable Nonlinear Equalizer for Coherent OFDM
- 19 June 2014
- journal article
- research article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 26 (14), 1383-1386
- https://doi.org/10.1109/lpt.2014.2321434
Abstract
A reconfigurable nonlinear equalizer (RNLE) based on inverse Volterra series transfer function is proposed for dual-polarization (DP) and multiband coherent optical orthogonal frequency-division multiplexing (OFDM) signals. It is shown that the RNLE outperforms by 2 dB the linear equalization in a 260-Gb/s DP-OFDM system at 1500 km. The RNLE improves the tolerance to inter/intraband nonlinearities, being independent on polarization tributaries, modulation format, signal bit rate, subcarrier number, and distance.Keywords
Funding Information
- European Commission through FP7 ICT Projects DISCUS (318137)
- Fox-C (318415)
- Engineering and Physical Sciences Research Council (EP/J017582/1-UNLOC)
- Royal Society (WM120035-TEST)
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