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We demonstrated for the first time 80 to 40 Gb/s OTDM-DPSK demultiplexing using a single SOA assisted by offset-filtering. Error free performance is achieved with an average power penalty of 5.5 dB.
We experimentally investigate and verify simple and efficient methods for characterizing the patterning effects (PE) of SOA-based optical switches. The onset of PE saturation is well predicted by the theory. An experimental method to capture the maximum PE is developed.
An 80-km-reach WDM PON with 10-Gb/s downstream and 2.5-Gb/s upstream re-modulated signals is demonstrated. The dispersion tolerant Inverse-RZ-Duobinary is employed as the downstream format while upstream ASK re-modulation is performed by reflective SOA.
An all-optical minterm generator for three-input NRZ-DPSK signals is proposed and demonstrated based on SOAs and delay interferometers. Results are derived in OOK format. Experiment with two DPSK inputs is also carried out for comparison.
We present SOA-based filter-free scheme for optical ultrawideband monocycle generation. Input power dynamic range larger than 16 dB and wavelength-tunable range covering C-band are achieved. Two SOAs with different dynamics are compared in generating UWB signals.
An ultrafast all-optical logic NOR gate based on a semiconductor optical amplifier (SOA) and a fiber delay interferometer (FDI) is presented. For high-speed input return-to-zero (RZ) signal, nonreturn-to-zero (NRZ) switching windows which satisfy Boolean NOR operation can be formed by properly choosing the delay time and the phase shift of FDI. 40 Gb/s NOR operation has been demonstrated successfully...
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