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Repetition-rate dependence of the saturation power of gain-clamped semiconductor optical amplifiers

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1 Author(s)
G. Morthier ; Dept. of Inf. Technol., Ghent Univ., Belgium

We show theoretically that, when using gain-clamped semiconductor optical amplifiers (GCSOAs) for the amplification of a train of pulses, the saturation power of the GCSOAs strongly depends on the repetition rate of the pulse train. This saturation power is 3 dB higher at very high repetition rates than at low repetition rates. It reaches a minimum for intermediate repetition rates, where it can even be 6 or more decibels smaller than the maximum saturation power level.

Published in:

IEEE Photonics Technology Letters  (Volume:10 ,  Issue: 2 )