Dispersion management for the transmission of mixed data rates of 40 Gb/s and 10 Gb/s in the same fiber

Gottfried Lehmann; Eckhard Meissner

doi:10.1117/12.480582

23 August 2002 Dispersion management for the transmission of mixed data rates of 40 Gb/s and 10 Gb/s in the same fiber

Gottfried Lehmann, Eckhard Meissner

Proceedings Volume 4906, Optical Components and Transmission Systems; (2002) https://doi.org/10.1117/12.480582
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China

Abstract

For 10 Gb/s and 40 Gb/s NRZ signals the maximum reach of a WDM transmission system depends on the optimization of the inline dispersion scheme, which is different for both data rates for SPM limited transmission systems. Therefore, a mixture of both data rates in the same fiber may cause an impairment of the system performance. This can be reduced introducing additional pre-compensation. The value for the optimum precompensation varies with the inline dispersion scheme and the launch power. A design rule to determine the optimum pre-compensation was derived empirically for SSMF and NZDSF. For fixed inline dispersion compensation on SSMF, the maximum reduction of the system reach without pre-compensation is found to be up to 6 dB, compared to optimized inline dispersion compensation schemes. By applying optimal pre-compensation this impairment can be reduced to less than 1 dB. For NZDSF with pre-compensation the system performance can also be improved significantly. Thus WDM systems using different line rates at the individual wavelengths are possible with only a small penalty.

Citation Download Citation

Gottfried Lehmann and Eckhard Meissner "Dispersion management for the transmission of mixed data rates of 40 Gb/s and 10 Gb/s in the same fiber", Proc. SPIE 4906, Optical Components and Transmission Systems, (23 August 2002); https://doi.org/10.1117/12.480582

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