Impact of amplifier noise figure modeling in simulations of impairment-aware all-optical networks

Impact of amplifier noise figure modeling in simulations of impairment-aware all-optical networks In this article, we analyze and quantify the impact of the use of different amplifier noise figure models in impairment-aware optical network simulations. We compare network simulations that use three different models, two of them already known and largely employed in the literature, and a third one that we propose here, which is more appropriate to use for gain-clamped amplifiers. We present simulation results for the network blocking probability for each model, for different amplifier output saturation powers. And we also present simulation results for the distribution of optical powers at the input of each amplifier in the network. From our results we can conclude in which cases one can use a simpler model and in which other cases it is worth using a more elaborate model. We show that if the simplest and most common model is used for any network simulation, the obtained blocking probability is overestimated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photonic Network Communications Springer Journals

Impact of amplifier noise figure modeling in simulations of impairment-aware all-optical networks

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Publisher
Springer US
Copyright
Copyright © 2009 by Springer Science+Business Media, LLC
Subject
Computer Science; Characterization and Evaluation of Materials; Electrical Engineering; Computer Communication Networks
ISSN
1387-974X
eISSN
1572-8188
D.O.I.
10.1007/s11107-009-0216-8
Publisher site
See Article on Publisher Site

Abstract

In this article, we analyze and quantify the impact of the use of different amplifier noise figure models in impairment-aware optical network simulations. We compare network simulations that use three different models, two of them already known and largely employed in the literature, and a third one that we propose here, which is more appropriate to use for gain-clamped amplifiers. We present simulation results for the network blocking probability for each model, for different amplifier output saturation powers. And we also present simulation results for the distribution of optical powers at the input of each amplifier in the network. From our results we can conclude in which cases one can use a simpler model and in which other cases it is worth using a more elaborate model. We show that if the simplest and most common model is used for any network simulation, the obtained blocking probability is overestimated.

Journal

Photonic Network CommunicationsSpringer Journals

Published: Sep 23, 2009

References

  • OSNR model to consider physical layer impairments in transparent optical networks
    Pereira, H.A.; Chaves, D.A.R.; Bastos-Filho, C.J.A.; Martins- Filho, J.F.

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