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In the present work we have investigated the performance degradation in a semiconductor optical amplifier (SOA) based multi span WDM ring network during add/drop multiplexing operation under steady state and dynamic condition. The simulation is performed for analysis of the worst case scenario, where seven out of eight wavelength division multiplexed (WDM) channels are added/dropped in an add/drop...
A new cascaded three-stage all-optical wavelength converter based on cross-gain modulation (XGM) was analyzed and implemented using semiconductor optical amplifiers (SOAs) in a co-propagating arrangement. The optimal input powers of both pump and probe signals and the attenuation between the stages are discussed to achieve the highest on-to-off extinction ratio in each stage. A complete noise model...
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