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An MQW SOA which has been designed for four-wave-mixing (FWM) applications is reported. In 40 Gbit/s system experiments, a 2 mm device was able to perform wavelength conversion over 24.6 nm. This is the largest reported wavelength translation at 40 Gbit/s using FWM in an SOA.
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Kelly et al. (1997) studied this question.
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