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An Overview on Wavelength Division Multiplexing Techniques in Bandwidth Utilization

Ayush Shrivastava

Abstract


The method multiplexing is a multiple analog message signals or digital data streams, impending from different sources are combined into one signal over a shared medium. In this paper, we present an overview of different multiplexing techniques in bandwidth utilization. We mainly discuss the multiplexing technique, features and structures. As speed & bandwidth has always been a cause of concern in communication network, WDM emerges as a vital solution to these problems. The problem arises when the demand for bandwidth in a fiber optic network exceeds the current capacity, WDM helps in expanding the capacity of a fiber optic network without requiring additional fiber. The capacity of the network to a point where all the expected demand can be handled. An overview about WDM technology and recent developments in this field and how the overall capacity of the communication network can be incremented using this technology. Finally in this paper, we summarize and study the comparison between FDM, WDM, and TDM.

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References


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