Trade-off between single and double pass amplification schemes of 1480-nm pumped EDFA

Naji, A. W.; Abidin, M. S. Z.; Kassir, A. M.; Al-Mansoori, M. H.; Abdullah, M. K.; Mahdi, M. A.
October 2004
Microwave & Optical Technology Letters;10/5/2004, Vol. 43 Issue 1, p38
Academic Journal
A practical comparative analysis of single-pass and double-pass amplification schemes of 1480-nm pumped Er3+-doped fiber amplifier (EDFA) is presented in this paper. This comparison is carried out with an input signal from 0 dBm to -40 dBm at 140-mW pump power. The critical input power of -25 dBm is obtained in order to determine the optimized performance between single-pass and double-pass amplifiers. The double-pass EDFA gives a better performance for small signal powers of less than -25 dBm, while the single-pass EDFA performs better for higher signal powers of greater than -25 dBm. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 38–40, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20368


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