Theoretical analysis, optimization, and experimental evaluation of dual function DP R-EDFA

Hossain, Nadir and Naji, A. W. and Mishra, V. and Abbou, F. M. and Hairul, A. A. R. and Faidz, A. R. (2007) Theoretical analysis, optimization, and experimental evaluation of dual function DP R-EDFA. Journal of Russian Laser Research, 28 (3). pp. 293-303. ISSN 1071-2836

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Official URL: http://dx.doi.org/10.1007/s10946-007-0019-2

Abstract

A simple rate-equation model of double pass (DP), remotely-pumped Erbium-doped fiber amplifier (R-EDFA) is developed based on the Giles-and-Desurvire (1991) model of a single pass (SP) EDFA. The mathematical equations to calculate stimulated absorption-and-emission rate between levels 1 and 2 of SP EDFA are modified by integrating the reflected backward-propagating signal of the DP R-EDFA. Besides the signal amplification, dispersion compensation by the chirped-fiber Brag-grating (CFBG) inside the DP R-EDFA is also taken into account. The reflection losses of a signal by the CFBG are included in the backward-propagating signal of the DP R-EDFA. Considering a high gain and low noise figure (NF) by very low remote pump power as a main design objective, the design process of an optimized DP R-EDFA for a long haul optical-fiber-communication system (OFCS) is demonstrated. Robustness and stability of the DP R-EDFA rate-equation model developed are shown by analzing the numerical results and output shapes using various design parameters of the DP R-EDFA. Finally the DP R-EDFA, rate-equation model developed is validated with the help of experimental results.

Item Type: Article
Subjects: T Technology > T Technology (General)
Q Science > QA Mathematics > QA75.5-76.95 Electronic computers. Computer science
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 29 Sep 2011 04:03
Last Modified: 29 Sep 2011 04:03
URI: http://shdl.mmu.edu.my/id/eprint/3062

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