Massimiliano Salsi

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100 Gb/s end-to-end broadband optical solutions are attractive to cope with the increasing demand for capacity. Polarization-division-multiplexed (PDM) quaternary-phase-shift-keying (QPSK) paired with coherent detection has been found to be promising for upgrading optical legacy systems based on 50 GHz wavelength slots thanks to its high spectral efficiency(More)
We report on new solutions for the evolution of submarine optical transmission systems from 10 Gb/s to 40 Gb/s per channel. Today, optical coherent detection paired with digital signal processing (DSP) offers the opportunity to exploit innovative techniques like polarization division multiplexing (PDM). To take full benefit of this disruptive technology we(More)
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