Abstract
The optical fiber is a very attractive communication medium since it offers a large bandwidth and low attenuation, and can therefore facilitate demanding services such as high-quality video transmission and others in computer networks. In this paper, a performance analysis of an optical gigabit ethernet performance using longer wavelength (C-Band) instead of O and E bands, and high Extinction Ratio (Er) value is presented. This performance analysis is represented by decrease the bit-error rate (BER), increase the number of nodes in the network, and increase the backbone cable length. Simulation results show improvement in the performance of the network when using 1550nm wavelength over the 1330nm wavelength for 1Gbps and 10Gbps. In addition, the results are compared for different values of Er where, higher values of Er give better performance. The work is software implemented using optical system simulator packet (OPTSIM 3.6).
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