Noise in distributed erbium-doped fibers

Karsten Rottwitt, Jørn Hedegaard Povlsen, Anders Overgaard Bjarklev, Ole Lumholt, Bo Pedersen, Thomas Rasmussen

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Abstract

Theoretical limits in noise figure for a long-haul transmission line based on lumped amplification are contrasted with distributed amplification. The latter results in a reduction of approximately 60% of the required number of pump power stations. The distributed optical amplification is provided by an erbium-doped fiber and comparisons of aluminum and germanium as codopant materials are shown. The pump power consumption and noise figure are analyzed with respect to the background loss
Original languageEnglish
JournalI E E E Photonics Technology Letters
Volume5
Issue number2
Pages (from-to)218-221
ISSN1041-1135
DOIs
Publication statusPublished - 1993

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