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Experimental Demonstration of Non-Binary LDPC Coded Modulation for Ultra-Long-Haul Transmission Systems

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Abstract

Performance of rate-0.8 4-ary LDPC coded modulation with MAP detector is demonstrated in 40Gb/s dual-polarization QPSK transmissions. We achieve >10 dB coding gain at BER of 10-6 and show no countable errors after 10,560 km transmission over legacy DMFs.

© 2011 Optical Society of America

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