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We experimentally demonstrate multicast wavelength conversion by exploiting cross-gain modulation and cross-phase modulation in an InAs/InGaAsP/InP columnar quantum dot semiconductor optical amplifier (CQD-SOA). We report wavelength multicasting of 40 and 80 Gb/s return-to-zero signals on four 400-GHz spaced channels. We find in all cases a moderate conversion penalty which we attribute mostly to...
A less temperature dependent columnar-quantum-dot semiconductor optical amplifier (CQD-SOA) with high efficiency is developed. At 50??C, a high penalty-free output power of ~12 dBm together with a high gain of 17 dB is successfully demonstrated.
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