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Tomlinson-Harashima Precoding with Soft Detection for Faster than Nyquist DP-16QAM Coherent Optical Systems

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Abstract

We demonstrate the feasibility of transmitting 5×32 Gbaud DP-16QAM faster-than-Nyquist signals within 30 GHz spaced channels, which is enabled by the Tomlinson-Harashima precoding (THP) combined with soft-decision forward error correction (SD-FEC).

© 2015 Optical Society of America

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