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Raman Amplifiers for Use in WDM Systems
D. B. M. Pereira; A. L. J. Teixeira; M. J. N. Lima; P. S. B. André; H. C. C. Fernandes; J. R. Ferreira da RochaIn this paper Raman Amplifiers (RAs) for Wavelength Division Multiplexed (WDM) fiber optic systems are analysed. We start by explaining the physical principles of this kind of amplification are explained, and the principal characteristics and advantages of using these amplifiers are enumerated.The technique of multiple pumping (MP) is studied aiming to obtain broadband amplifiers w...
Wideband Erbium-Doped Fiber Amplifier System Design Limitations due to Cband Si...
D. B. M. Pereira; A. L. J. Teixeira; M. J. N. Lima; P. S. B. André; J. R. Ferreira da RochaIn this paper we observe experimentally the effects of C-band pump light in the performances of an Lband Erbium-Doped Fiber Amplifier (EDFA). An amplifier for C+L-bands in a parallel configuration of two EDFAs is designed, and the inherent implications in its application to optical fiber communications systems. A new configuration is presented for decreasing the signal gain depende...
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