Abstract
We have used semiconductor optical amplifier (SOA)-based Mach–Zehnder interferometric wavelength converter (MZ-IWC) as a pseudo return-to-zero (PRZ) extractor. Applying this scheme, PRZ was extracted from non-return-to-zero pump beam after MZ-IWC and optical clock was recovered by injection-locking a self-pulsating laser diode with the extracted PRZ. In addition, a wavelength-converted signal was obtained from probe beam.
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