Abstract
We have systematically studied the dispersion properties of a 40 channel×10 Gbit/s wavelength division multiplexed (WDM) transmission link using standard single mode fibre with all EDFA amplification, over 30×100 km spans. The dispersion map of the link was investigated by adding fibre sections with positive or negative dispersion at the transmitter, within each amplifier span, and at the receiver. Optimum combinations of these dispersive fibre lengths were found to significantly enhance the overall transmission performance. The dispersion slope mismatch between the transmission fibre and compensation fibre was investigated using the optimal dispersion map. The tolerable range of slope mismatches was found using a post-compensation method for individual channel compensation and overall channel compensation.
Published Version
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