By employing 111Gb/s no-guard-interval coherent OFDM and SNR maximized second-order distributed Raman amplification in the extended L-band, we demonstrate the record capacity-distance product of 84.3Petabit/s.km (13.5Tb/s × 6,248km), and also 1Tb/s transmission over 9,612km.

© 2009 Optical Society of America

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