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Architecture of ring based topology FTTH with insertion of two SOA amplifier between node 6 and 7 and node 16 and 17.
Source publication
This paper highlight on restoration scheme proposed against failure in working line at the drop region for Fiber-to-the Home (FTTH) with a passive optical network (PON). Whereas PON is a system that brings optical fiber cable and signals all or most of the way to the end user. In this paper we highlight the issue on survivability scheme against fai...
Context in source publication
Context 1
... purpose of two amplifiers used is to extend the signal quality to the customer premises. The layout of ring based FTTH network which use two SOA is shown in Figure 2. In this study two parameters are concerned which are SOA injection current and coupling percentage and the objective is to analyze the impact of SOA injection current to maximum achievable distance. ...
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Citations
Optical amplifiers are realised in a wide range of applications, such as metro dense wavelength division multiplexing and cable television networks. These applications require the amplifier to provide a maximum output power level by accepting an input power near the saturation level. To obtain an ideal amplifier according to several parameters, the erbium concentration in the composite core glass, the optimum length of the fibre, the pump saturation and the input signal signal-to-noise ratio must be critically studied and addressed. In this paper, we will review the types of optical amplifiers used in communication systems today as well as the parameters that limit the performance of optical amplifiers in the network, such as the noise figure, the gain saturation, the polarisation dependence gain and inhomogeneous broadening effects. Based on the performance limitation factor, we model the amplifier gain profile and the effect of the gain value on the network performance. Finally, we propose various configurations of an optical amplifier, and the advantages of each amplification technique are highlighted.
