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Mode-division multiplexing (MDM) is an effective technique to enlarge the transmission capacity. In order to extend the transmission distance and increase the transparency of the phase-encoded MDM communication system, all optical phase regeneration (PR) for MDM signals is much in demand. However, the PR of the MDM signals has been rarely reported. In this paper, the simultaneous PR of the MDM signals...
The phase regeneration for the mode-division multiplexing (MDM) differential phase shift keying (DPSK) signals in a single multimode silicon waveguide, is proposed and successfully demonstrated in the simulation. The regeneration is based on the mode-selective phase sensitive amplification (PSA). When the pumps and the signal are carried on the same mode, the signal will be phase-regenerated because...
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