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We report an experiment of de-multiplexing automatically in a polarization division multiplexing system using a DSP based de-multiplexer. The searching algorithm was a modified Particle Swarm Optimization. We successfully demonstrated the de-multiplexing scheme both in a 20-Gb/s PolMux-NRZ-OOK system and a 40-Gb/s PolMux-RZ-DQPSK system.
The signal impairments producing by Polarization Mode Dispersion (PMD) must be compensated in 40 Gb/s or 100 Gb/s optical fiber communication system. A novel electrically controlled compensation scheme of adaptive compensator for PMD is proposed and realized in this paper. Experimental results show that the proposed compensation scheme can track and compensate the variation of the State of Polarization...
We proposed a new scheme of combination of PMD compensator and a phase regenerator to mitigate the PMD penalty in 40-Gbit/s DPSK system. The system performance is effectively improved after both compensation and regeneration.
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