COMPARATIVE ANALYSIS OF DISPERSION COMPENSATION USING ELECTRONIC DISPERSION COMPENSATION TECHNIQUES AT DIFFERENT BIT RATES USING SINGLE MODE FIBER
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2018, Vol 8, Issue 3
Abstract
The performance in the fiber optical communication is majorly limited by a phenomenon called dispersion which generally starts growing after 2Gbps data rate. The pulse gets widened as they travel down the fiber. This widening results in dispersion and other non-linearity. Pulses at the output overlap with the neighboring pulses and cause ISI (Inter-Symbol Interference). Distinct techniques are available to lessen the effect of dispersion like DCF, FBG, and electronic equalization. This paper focuses on reducing dispersion present in optical links by using adaptive equalization. To monitor and suppress the chromatic dispersion, simulations are performed using electronic equalizer at 20, 25 and 30Gbps. A comparison is made between the three data rates and found that maximum Q-Factor is attained at 20Gbps. Outcomes from the simulations show the overall improvement in the signal quality.
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