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. 2015 Feb 3;5:8214. doi: 10.1038/srep08214

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(a) The experimentally measured reach curve (symbols) shows the maximum reach recorded to achieve a BER below 1.5·10⁻² for SC-DBP and MC-DBP. Numerical simulations (solid lines) are also displayed. (b) Received BER (pre SD-FEC) for all seven channels after transmission over 5890 km of SMF-28 ULL fibre for the EDC only and MC-DBP cases. The corresponding received constellations for the central channel are shown as insets (i) and (ii), respectively.