Abstract
We experimentally demonstrate single and multicasting inverted wavelength conversion at 80 Gb/s by using the cross-gain modulation and cross-phase modulation in a single semiconductor optical amplifier (SOA). In all the cases, converted signals with a high extinction ratio (ER) and large eye opening are obtained. For single-channel wavelength conversion, the ER of the output signal is as high as 30.10 dB. For three-channel wavelength multicasting, high quality converted signals could also be observed. The ERs with three channels are 21.54 dB, 18.58 dB and 17.72 dB, respectively. Thus, one- and three-channel wavelength conversion with high performance can be achieved by using a single quantum-well SOA.
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