Abstract
The rapid increase in the usage of data communication and data consuming devices demands higher data rate and reliable communication. In order to meet these demands new technologies are required which will be able to provide optimal quality of service and higher data rates. Next-Generation optical networks promise fast and flexible connectivity to resolve above challenging demands and can provide enough capacity for the next few years but the increase in data rate and transmission distance causes increase in dispersion. It occurs when different frequencies or mode of light in optical fiber are received by the terminals at different time and it increases, with an increase in fiber length. This is the major cause for breaking down quality of signal in optical fiber. Different modulation techniques are used to reduce the effect of dispersion, and improve the performance of the optical system. In this work, Performance of Carrier Suppressed Return-to-Zero (CSRZ) & Modified Duobinary Return-to-Zero (MDRZ) Advance Optical Modulation Formats are investigated in terms of Eye Height, Bit Error Rate (BER) and Quality Factor at 2Gbps for two different lengths of fiber in Optisystem. It found that MDRZ gives dispersion less transmission and less BER for long distance transmission.
Ali Israr, Muhammad Junaid. (2016) Carrier Suppressed Return-to-Zero (CSRZ) and Modified Duobinary Return- to- Zero (MDRZ) Advance Optical Modulation Formats Analysis for Long Haul Rural Coverage, Journal of Applied and Emerging Sciences, Volume 6, Issue 2.
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