Abstract
AbstractIn this paper, proposed model evaluates the performance of 16-channels dense wavelength division multiplex (DWDM) optical transmission system through different chromatic dispersion compensation schemes. Chromatic dispersion compensation techniques confine the pulse widening effects of transmitted signal in optical fiber communication systems (OFCS). To defeat chromatic dispersion (CD) effect, pre-compensation, post-compensation, symmetric compensation, and distributed dispersion compensation techniques are modeled, evaluated, and compared to examine the performance of DWDM optical transmission systems. The proposed model is intended for 16 × 10 Gbps using return-to-zero (RZ), non-return-to-zero (NRZ), and Gaussian modulation schemes using erbium-Doped fiber amplifier (EDFA) through a length of 180 km single-mode fiber (SMF) and 36 km length of dispersion compensation fiber (DCF) using Opti-System7.0 simulator. The performance of designed model is explored and compared in terms of eye diagram (eye shape), maximum quality factor (Q-factor), and minimum bit error rate (BER). It is seen that the symmetrical dispersion compensation having NRZ modulation scheme gives the best performance as chromatic dispersion compensator for proposed optical transmission systems.KeywordsChromatic dispersion (CD)Dispersion compensation fiber (DCF)Non-return-to-zero (NRZ)Single-mode fiber (SMF)
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