Enhanced FEC OSNR gains in dispersion-uncompensated 10.7-Gb/s duobinary transmission over 200-km SSMF

Lucent Technol. Bell Labs, Holmdel, NJ, USA
IEEE Photonics Technology Letters (Impact Factor: 2.11). 09/2003; 15(8):1162 - 1164. DOI: 10.1109/LPT.2003.815319
Source: IEEE Xplore


We report the experimental comparison of 10.7-Gb/s duobinary transmissions using generic Reed-Solomon forward error correction (FEC) and an enhanced FEC. The coding gains of the two FECs after transmission over a dispersion-uncompensated 200-km standard single-mode fiber (SSMF) link are found to be much larger than those quoted in ideal case, with the enhanced FEC further outperforming the generic FEC by /spl sim/3.5 dB. Numerical simulations show reasonable agreement with the experimental results.

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