Extended simulation models of optical transmission systems including erbium-doped amplifiers

Remigius Zengerle; Steffen Reichel

doi:10.1117/12.347962

28 April 1999 Extended simulation models of optical transmission systems including erbium-doped amplifiers

Remigius Zengerle, Steffen Reichel

Proceedings Volume 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98; (1999) https://doi.org/10.1117/12.347962
Event: International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, 1998, New Delhi, India

Abstract

The rapid growth of thor required information bandwidth due to new services in the communication society forces network providers to increase the bit rate and to use wavelength and time division multiplex, both for new systems and upgrading existing lightwave systems. One economic way for system layout is the extensive use of reliable numerical simulations. Therefore we focus on new and more accurate simulation tools for lightwave systems including all key components As with increasing channel numbers the accumulated optical power increases dramatically, too, nonlinear effects become significant. Here we present our extended erbium-doped fiber amplifier (EDFA) model that includes phase modulation in the EDFA due to signal and pump-induced change of the refractive index. We assume an intensity modulated-direct detection (IM- DD) system operating at 193 THz (1552.5 nm) with a bit rate of 10 Gbit/s in the anomalous dispersion regime and a total fiber length of 500 km. The fibers are assumed to be dispersion shifted one and EDFAs are used to compensate for the fiber loss. It turns out by numerical simulation that in the anomalous dispersion regime on omission of the signal and pump-induced change of the refractive index strongly underestimates the Q-factor. Therefore our extended EDFA model can be used for more reliable system simulations.

Citation Download Citation

Remigius Zengerle and Steffen Reichel "Extended simulation models of optical transmission systems including erbium-doped amplifiers", Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); https://doi.org/10.1117/12.347962

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KEYWORDS

Optical amplifiers

Telecommunications

Terahertz radiation

Systems modeling

Optical communications

Eye

Fiber amplifiers

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