Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 36, Issue 6, Pages 1326-1339Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2017.2779747
Keywords
Nonlinearity compensation; optical fiber communication; phase modulation
Funding
- Australian Research Council's Laureate Fellowship program [FL 130100041]
- ARC Centre of Excellence for Ultrahigh-Bandwidth Devices for Optical Systems [CE 110001018]
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This paper investigates the use of optoelectronic subsystems placed all the way along a fiber link to provide distributed mitigation of the distortion caused by the Kerr nonlinearity. These subsystems use power-dependent phase modulation to mitigate the low-frequency (<1 GHz) components of the self-phase modulation and cross-phase modulation (XPM) distortion experienced by several wavelength channels simultaneously. Furthermore, this technique compensates the nonlinear distortion on a per-span basis, and so can mitigate XPM in optically routed links, unlike transmitter-or receiver-side nonlinearity compensation techniques. We present proof-of-concept results from both experimental and numerical studies that show our optoelectronic technique can effectively mitigate the distortion caused by fiber nonlinearity. Additional simulations study the impact of various link parameters on the effectiveness of this scheme.
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