Abstract
The effect of ytterbium codoping in heavily erbium-doped fibers with partly clustered erbium ions on the intensity noise stemming from both pump-rate and cavity-loss fluctuations is theoretically investigated with a modified ion-cluster model. Numerical results indicate that low-frequency (below 1 MHz) noise can be greatly suppressed by ytterbium codoping.
© 2000 Optical Society of America
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