Abstract
In this paper, we investigated the effect of interchannel crosstalk at ADM of a ring network at sweeping bandwidth of filters. Analysis has been done in a ring network [G.P. Agrawal, Fiber Optic Communication System, Wiley-interscience, New York, 1997; Tim Gyselings et al., Crosstalk analyses of multi-wavelength optical cross connects, J. Lightwave Technol. 17 (1999) 1273; R. Ramaswami, K.N. Sivarajan, Optical Networks: A Practical Perspective, Morgan Kaufmann, Los Altos, CA, 1998] that contains four nodes communication signal over two channels at 1552.2 nm. At the bit rate of 10 Gbps, ADMs at each node is modeled by using WDM add and WDM drop components. The distance between nodes is taken 12.5 and 25 km and an ideal amplifier is inserted just before one of the node to compensate for the total fiber loss in the ring. Dispersion and nonlinear effects of fibers are disabled to observe the crosstalk effect of ADM at sweeping bandwidth from 10 to 40 GHz of fourth-order Bessel filters.
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