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Telecommunication Networks by Eugenio Iannone

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Appendix D: Fiber Optical Amplifiers: Analytical Modeling

D.1 Introduction

Optical amplifiers are key devices to determine the performance of optical transmission systems. In order to understand the impact of behavior of different amplifiers on the characteristics of optical systems generally it is sufficient good knowledge of the base phenomena that occurs in such devices.

This is the reason why, more than presenting a very accurate model, in Chapter 4, we have described with the help of simple equations the behavior of amplifiers in many relevant circumstances. When designing a very high-performance transmission system however, since all the margins are reduced, it is quite important to have an accurate modeling of the devices that have been ...

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