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Technique to compensate waveform distortion in a gain-saturated semiconductor optical amplifier using a semiconductor saturable absorber

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1 Author(s)
K. Inoue ; NTT Labs., Kanagawa, Japan

A technique to compensate waveform distortion induced in a gain-saturated semiconductor optical amplifier (SOA) is proposed and demonstrated. A saturable absorber, which is actually an SOA biased below the transparency current, is placed after an SOA. The loss dynamics of the absorber compensate the SOA gain dynamics and a less distorted signal can be output

Published in:

Electronics Letters  (Volume:34 ,  Issue: 4 )