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Praseodymium-doped fiber amplifiers: theory of 1.3 μm operation

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1 Author(s)
Urquhart, Paul ; BT Labs., Ipswich, UK

A theoretical model of optical amplification in a praseodymium-doped fiber amplifier that is optically pumped at about 1 μm and amplifies signals at about 1.3 μm is presented. The variation of gain with respect to fiber length in both small-signal and saturated operation is reported, and the adverse influences of a lower-level bottleneck and a multiphonon cascade from the pump band are discussed

Published in:

Quantum Electronics, IEEE Journal of  (Volume:28 ,  Issue: 10 )