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Optimum Signal Constellation Design and Mapping Rule for Few-Mode Fiber based LDPC-Coded CO-OFDM

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Abstract

We propose an OSCD-based LDPC-coded mode-multiplexed CO-OFDM system as multi-Tb/s enabling technology, and demonstrate that 16-OSCD with optimized mapping rule outperforms the 16-QAM by 0.9dB over 1000km of few-mode fiber in strong coupling regime.

© 2013 Optical Society of America

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