Papers

ANALYSIS OF DISPERSION COMPENSATION FIBER IN LONG DISTANCE FIBER OPTIC TRANSMISSION SYSTEM (Pages : 4 - 8)

N. SULTANA AND M. ISLAM

In long haul fiber optic communication system, dispersion is the most important factor that limits the system performance greatly. Compensation of dispersion in a single mode fiber (SMF) around 1.55 ?m operating wavelength can be achieved by specially designing fiber. This type of fiber is called as dispersion compensating fiber (DCF). In this paper, DCF were analyzed for the effects of dispersion and attenuation to obtain the equation of transfer function for each effect in terms of fiber length, dispersion co-efficient, operating wavelength, frequency, number of connector etc in the fiber. By using these equations, DCF model have been simulated using Matlab. Then the outputs of fiber have been taken, analyzed and evaluated for different values of dispersion co-efficient, attenuation co-efficient, number of connectors etc. The results of this research paper indicate that the desired optimized performance of DCF can be achieved by choosing appropriate values of different parameters of DCF.Download


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