International Journal of Electronics Signals and Systems


In this paper, the implementation of subcarrier multiplexing technique is developed and investigated with pre-, post- and symmetrical-dispersion compensation methods for 10 Gb/s non-return to zero (NRZ) links using standard and dispersion compensated fibers through computer simulations to optimize high data rate optical transmission. Mathematical analysis is done to evaluate performance in term of bit error rate. Simulation is done using Optisys Software version 10.0. Motivation to this research is to compare all three compensation methods and it is found that the symmetrical compensation method is superior to pre- and post-compensation methods. On comparing pre- and post-compensation methods, it is found that the later is superior to the former. A 10-Gb/s SCM test bed has been set up in which 4 * 2.5 Gb/s data streams are combined into one wavelength that occupies a 20-GHz optical bandwidth. Thus by using these comparisions one can get a promising system to the symmetric high capacity access network with high spectral efficiency, cost effective, good flexibility.





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