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We propose an all-optical 3R regenerator for 10 synchronous WDM channels based on self-phase modulation combined with synchronous modulation in bidirectional fiber configuration. Our simulation results show signal quality improvement of up to 2.5 dB.
We review the progress on the various existing fibre-based solutions proposed to date to extend all-optical 2R regeneration to multi-channel operation. Our emphasis is on a bi-directional architecture based on offset filtering of an SPM-broadened spectrum.
We report on the simultaneous 2R regeneration of up to three 42.7-Gb/s wavelength-division-multiplexing channels in a simple dispersion-managed fiber section with signal quality improvements higher than 1.7 dB. The regenerator relies on self-phase modulation-induced spectral broadening of the optical channels inside the fiber section and subsequent bandpass filtering at shifted wavelengths, and it...
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