Design and Investigation of 32x40Gb/s WDM System based on Dispersion Compensation

Sabina Sabina, Manpreet Kaur


The increasing in demand of high capacity and high speed required the system or device which fulfills this requirement. This requirement results in introducing the wavelength division multiplexing (WDM). Optical wavelength division multiplexing (WDM) system is most widely used for increasing the information carrying capacity than other system. But some factor are deteriorates the performance of all optical system such as chromatic dispersion, polarization mode dispersion, and non-linear effects. In this paper, the 32 channel WDM optical communication system at 40 Gab/s has been designed and investigated with EDFA as an optical amplifier based on dispersion compensation. Optisystem 7.0 is used for designing and simulation of the proposed system. The performance is investigated on the basis of Bit error rate (BER) and Quality factor. When the dispersion is increased from 2 to 17 ps/nm/km, the post dispersion compensation using DCF and EDFA amplifier provide the better results.


Dispersion, wavelength division multiplexing (WDM), Erbium-doped fiber amplifier (EDFA), Bit error rate (BER).

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