Optimization of DCF Position for the Compensation of Chromatic Dispersion in High Speed Optical Links

Document Type : Original Article

Author

Department of Electronics and Communication Engineering, Faculty of Engineering, Zagazig University, Zagazig, P.O Box 4451, Egypt.

Abstract

Optical fiber is responsible for telecommunication revolution today due to its unlimited bandwidth, its ability to transmit the signal for long distance without any repeater and it is more secure than other transmission mediums. It can also support a ring and mesh topologies protection to protect the transferred data. There are many problems that face the data transmitted through optical fiber. Chromatic dispersion (CD) is one of these problems that affects the signal quality and limits the bandwidth. This paper introduces the technique of dispersion compensation fiber (DCF) to improve the signal quality and reduce the bit error rate (BER) in the high-speed optical links. Three different positions (pre-compensation, post-compensation and mixcompensation) for DCF are studied in this paper in terms of bit error rate and quality factor (Q-Factor). The simulation is performed for channel with single wavelength and dense wavelength division multiplexing (DWDM) with multiple wavelengths.

References

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