Nonlinear inter-subcarrier intermixing reduction in coherent optical OFDM using fast machine learning equalization

Giacoumidis, Elias; Wei, Jinlong; Mhatli, Sofien; Stephens, Marc F.; Doran, Nick J.; Ellis, Andrew and Eggleton, Benjamin (2017). Nonlinear inter-subcarrier intermixing reduction in coherent optical OFDM using fast machine learning equalization. IN: Optical Fiber Communication Conference 2017. OSA Technical Digest . Optical Society of America.

Abstract

We experimentally demonstrate a Newton support vector machine (N-SVM)-based nonlinear equalizer (NLE) of reduced classifier complexity for 40-Gb/s 16-QAM CO-OFDM. At 2000-km N-SVM extends the launched optical power by 2-dB compared to Volterra-based NLE.

Publication DOI: https://doi.org/10.1364/OFC.2017.W3J.2
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Institute of Photonics
Event Title: Optical Fiber Communication Conference, OFC 2017
Event Type: Other
Event Dates: 2017-03-19 - 2017-03-23
Uncontrolled Keywords: Electronic, Optical and Magnetic Materials,Mechanics of Materials
Published Date: 2017

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