A SURVEY: DISPERSION COMPENSATION TECHNIQUES FOR OPTICAL FIBER COMMUNICATION
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Abstract
In the modern day industries, Fiber optic transmission andcommunication are technologies that are constantly growing and support more challenges. Three properties of optical fibers are dispersion, absorption and scattering which cause attenuation and also decreased in transmitted power. Dispersion compensation is the most important feature required in optical fiber communication system because absence of it leads to pulse spreading that causes the output pulses to overlap. If an input pulse is caused to spread such that the rate of change of the input exceeds thedispersion limit of the fiber, the output data will become indiscernible. In this paper various dispersion compensation techniques are discussed like-Dispersion Compensating Fibers (DCF), Fiber Bragg Grating (FBG), Electronic Dispersion Compensation (EDC), Optical Phase Conjugation and digital filters.
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