We experimentally demonstrate the transmission of a spectrally-efficient 44-Gb/s CO-OFDM signal whose subcarriers are trellis-coded with 32-QAM over a 990-km dispersion-managed SSMF link, and show the performance improvements obtained through the coded-modulation and self-phase-modulation compensation.

© 2010 IEEE Communications Society, IEEE Photonics Society, OSA, Telcordia

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