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Enhancing Optical Network Capacity using DWDM System and Dispersion Compansating Technique

Babita S, Shweta V

From every technical and economic read, the flexibleness to produce in all probability unlimited transmission capability is that the foremost blatant advantage of DWDM technology. This investment in fiber plant can’t solely be preserved, however optimized by an element of a minimum of thirty two. In order to reduce dispersion in optical networks various dispersion compensating techniques are used. Dispersion can be controlled by selecting proper modulation format for the input dat. In this paper capability of optical network would be incremented utilizing DWDM system by the assistance of dispersion compensating technique. The performance of NRZ modulated pulse is evaluated for Dense WDM systems having symmetrical dispersion compensating technique. The pulse width i.e FWHM of NRZ modulated Gaussian pulse was varied from 5ps to 15ps to evaluate the performance at 80 Gb/s. This experiment shows that Dense WDM systems are most efficient because BER is very less as compared to the conventional WDM systems used previously.