Volterra-Based Reconfigurable Nonlinear Equalizer for Coherent OFDM

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 2...

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Published inIEEE photonics technology letters Vol. 26; no. 14; pp. 1383 - 1386
Main Authors Giacoumidis, Elias, Aldaya, Ivan, Jarajreh, Mutsam A., Tsokanos, Athanasios, Son Thai Le, Farjady, Farsheed, Jaouen, Yves, Ellis, Andrew D., Doran, Nick J.
Format Journal Article
LanguageEnglish
Published New York IEEE 15.07.2014
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Institute of Electrical and Electronics Engineers
Subjects
Coherence
Engineering Sciences
Equalization
Equalizers
Integrated optics
Inverse
Modulation
Nonlinear optics
Nonlinearity
OFDM
Optical polarization
Optical receivers
Optics
Orthogonal Frequency Division Multiplexing
Photonic
Tolerances
Transfer functions
Optical communication
coherent optical fiber transmission
nonlinear equalizer
OFDM
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Summary: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.
Bibliography:ObjectType-Article-1
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ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2014.2321434