Title :
Impact of PMD on four-wave-mixing-induced crosstalk in WDM systems
Author :
Hansryd, Jonas ; Sunnerud, Henrik ; Andrekson, Peter A. ; Karlsson, Magnus
Author_Institution :
Dept. of Microelectron., Chalmers Univ. of Technol., Goteborg, Sweden
Abstract :
The impact of polarization-mode dispersion (PMD) on four-wave mixing crosstalk in wavelength-division-multiplexed (WDM) fiber systems is quantified on a commercial system. It is found that even a small amount of PMD reduces the benefit of using polarization-multiplexed channels for suppression of crosstalk. As a rule of thumb, it is suggested that polarization-multiplexed schemes are of significant interest only when system differential group-delay (DGD) is smaller than DGD <1/(4/spl Delta/f), where /spl Delta/f is the channel-spacing.
Keywords :
delays; multiwave mixing; optical crosstalk; optical fibre communication; optical fibre polarisation; wavelength division multiplexing; PMD; WDM systems; channel-spacing; crosstalk suppression; differential group-delay; four-wave mixing crosstalk; four-wave-mixing-induced crosstalk; polarization-mode dispersion; polarization-multiplexed channels; polarization-multiplexed schemes; wavelength-division-multiplexed fiber systems; Decorrelation; Fiber nonlinear optics; High speed optical techniques; Optical crosstalk; Optical fiber polarization; Optical mixing; Personal communication networks; Polarization mode dispersion; WDM networks; Wavelength division multiplexing;
Journal_Title :
Photonics Technology Letters, IEEE
