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To reduce the dispersion and to improve the overall performance of the WDM-PON system, various dispersion compensation techniques are used in this system. In the optical communication, the dispersion compensation is mainly done by using DCF (Dispersion Compensation Fiber) and FBG (Fiber Bragg Grating). The performance of the system is evaluated at 10 Gbps data rate in the optical by using three different dispersion compensation schemes ie is Pre, Post, and Symmetrical Compensation. In this paper, A 40 X 10 Gbps Model is proposed using 40 channels (users) having SMF of length 120 km and DCF of length 24 km. It is concluded from the results that symmetric compensation technique shows better performance as compared to the pre and post. The results are verified on the basis of BER and Q-factor. All the simulation work is done with the help of Optisystem Software version 7.0.