23 March 1993 Long-haul transmission in aluminum- and germanium-codoped distributed erbium-doped fibers
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Abstract
Theoretical limits in noise figures for a long haul transmission line based on lumped amplification are compared with distributed amplification. A reduction of approximately 60% of the required number of pump power stations is achieved. 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.
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Karsten Rottwitt, Karsten Rottwitt, Joern Hedegaard Povlsen, Joern Hedegaard Povlsen, Anders Bjarklev, Anders Bjarklev, Ole Lumholt, Ole Lumholt, Frands Bo Pedersen, Frands Bo Pedersen, Thomas P. Rasmussen, Thomas P. Rasmussen, "Long-haul transmission in aluminum- and germanium-codoped distributed erbium-doped fibers", Proc. SPIE 1789, Fiber Laser Sources and Amplifiers IV, (23 March 1993); doi: 10.1117/12.141139; https://doi.org/10.1117/12.141139
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