Evidence of a saturable-absorption effect in heavily erbium-doped fibers.
A new configuration for erbium-doped fiber lasers in which two different connected fibers are used is studied: one is heavily and the other weakly doped. It is demonstrated that the dynamics of such a system depends on the fiber into which the pump is injected. The experimental results are interpreted in the framework of an ion-pair interaction model.
Colin
S
S
Contesse
E
E
Boudec
P L
PL
Stephan
G
G
Sanchez
F
F