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Trade‐off between single and double pass amplification schemes of 1480‐nm pumped EDFA
Author(s) -
Naji A. W.,
Abidin M. S. Z.,
Kassir A. M.,
AlMansoori M. H.,
Abdullah M. K.,
Mahdi M. A.
Publication year - 2004
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.20368
Subject(s) - dbm , optical amplifier , amplifier , signal (programming language) , power (physics) , erbium doped fiber amplifier , fiber amplifier , materials science , optoelectronics , electronic engineering , optics , engineering , physics , computer science , cmos , laser , quantum mechanics , programming language
A practical comparative analysis of single‐pass and double‐pass amplification schemes of 1480‐nm pumped Er 3+ ‐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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