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Optical fiber communication has a high-speed , large-capacity , long-distance , as well as anti-jamming features . However, the dispersion of the optical fiber causing pulse broadening, and to impede the forward development of optical fiber communication . Application soliton dispersion compensation is an effective method to improve the performance of optical fiber communication systems , dispersion management techniques become important focus of the optical fiber communication in recent years , cutting-edge research . This article first in-depth study of fiber loss , different channel amplifier noise , the interaction between the soliton WDM system soliton collisions as well as other factors soliton communication system performance . Secondly, detailed analysis of the standard soliton , dispersion - managed soliton dense dispersion management soliton system performance , the use of optical fiber communication systems the simulation tool OptiSystem 10Gb / s and 20Gb / s soliton system , dispersion-managed soliton system , dense dispersion-managed soliton system the performance of the simulation , the bit error rate of 10-9 as a standard (ie, the Q value of 6) , compared to the system performance of the various soliton system transmission distance . Finally , this paper proposes a new method of dispersion management - dispersion decreasing densely dispersion management . System simulation show that this new method of dispersion management compared to previous dispersion management method to more effectively improve the performance of the system , to extend the transmission distance ; able to further improve the performance of the system and by setting the appropriate number of cycles of dispersion management .
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