Cross-Polarization Modulation: Theory and Measurement in Subcarrier-Modulated WDM Systems

Through cross-polarization modulation, a consequence of the nonlinear refractive index, the polarization state of a wavelength-division multiplexed (WDM) channel is modified by the power in other channels of the WDM system. The authors use a simple model to predict the time-averaged and time-varying...

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Bibliographic Details
Published in:Journal of lightwave technology 2006-11, Vol.24 (11), p.4089-4099
Main Authors: Phillips, M.R., Woodward, S.L., Smith, R.L.
Format: Article
Language:English
Subjects:
Channels
Dispersions
Fibers
Kerr effect
Mathematical models
Modulation
Multiplexing
Nonlinear optics
optical communications
Optical modulation
Optical polarization
Optical refraction
Polarization
Power system modeling
Predictive models
Refractive index
Time varying systems
Wavelength division multiplexing
Wavelength measurement
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Summary:Through cross-polarization modulation, a consequence of the nonlinear refractive index, the polarization state of a wavelength-division multiplexed (WDM) channel is modified by the power in other channels of the WDM system. The authors use a simple model to predict the time-averaged and time-varying parts of the polarization state for subcarrier-modulated optical channels and compare it to direct measurement of the time-varying state of polarization in a two- and three-channel WDM system. This model incorporates walk off of the channels due to group-velocity dispersion
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2006.883638