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Variable gate width, all-optical sampling using an electroabsorption modulator is proposed for a multi-bit rate, optical performance monitor. The discrepancy between waveform quality and bit error rate is decreased by adjusting gate width.
We investigated improvement of wavelength conversion performance of a SOA-DISC with MZDI phase offset and BPF detuning. With optimized conditions, power penalty of wavelength conversion output and transmission characteristics were improved.
An all-optical sampling-based Q-factor monitor applicable to multi-bitrated and formatted signals was successfully demonstrated in a network testbed. Quality of GMPLS lightpaths could be diagnosed correlating the actually measured BER.
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