Abstract
A novel data remodulation scheme with downstream Amplitude Shift Keying (ASK)- Differential Phase Shift Keying (DPSK) signals and on-off keying (OOK) upstream signal using reflective semiconductor optical amplifier (RSOA) for wavelength-division multiplexing (WDM)- passive optical networks (PON) is proposed in the letter. An experiment on 10-Gb/s DPSK with 1.25-Gb/s ASK downstream signals generation and 1.25-Gb/s upstream signal remodulation is demonstrated, and experimental results show error-free operation after ~25-km transmission can be achieved without dispersion compensation.
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