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We show the first simultaneous OSNR monitoring of two 40 Gb/s channels, using a wavelength selective switch and two photodetectors. This approach is bit-rate and format independent and can be easily integrated in existing reconfigurable networks
We report the first demonstration of a photonic-chip based all-optical XOR gate for 40Gbit/s and 160Gbit/s phase-encoded signals. We achieve error-free, XOR operation for 40Gbit/s signals without power penalty in a dispersion-engineered chalcogenide waveguide.
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