TY - GEN N1 - This version is the author accepted manuscript. For information on re-use, please refer to the publisher?s terms and conditions. ID - discovery1454129 AV - public EP - 5.2 N2 - A 560 Gb/s (7×80 Gb/s Nyquist spaced PDM-16QAM) superchannel achieving 6.95 b/s/Hz spectral efficiency is transmitted over 253.4 km SMF-28® ULL fiber using only EDFA pre-amplification and full-field nonlinear back-propagation, corresponding to a record SE-distance product of 1761.1 b/s/Hz·km. CY - Cannes, France A1 - Galdino, L A1 - Liga, G A1 - Lavery, D A1 - Maher, R A1 - Xu, T A1 - Savory, SJ A1 - Sato, M A1 - Killey, R A1 - Thomsen, B A1 - Bayvel, P PB - IEEE Y1 - 2014/09/21/ SP - 5.2 UR - https://doi.org/10.1109/ECOC.2014.6963884 KW - Bandwidth KW - Optical fiber networks KW - Wavelength division multiplexing KW - Bit error rate KW - Optical fiber polarization KW - Optical fiber filters KW - Erbium-doped fiber amplifiers KW - backpropagation KW - erbium KW - optical fibre amplifiers KW - optical fibre networks KW - quadrature amplitude modulation KW - telecommunication computing KW - unrepeated transmission KW - ultralow-loss fiber KW - EDFA-only pre-amplification KW - Nyquist-spaced PDM-16QAM KW - superchannel KW - spectral efficiency KW - SMF-28 ULL fiber KW - full-field nonlinear back-propagation KW - SE-distance product KW - bit rate 560 Gbit/s KW - distance 253.4 km KW - Er TI - Unrepeatered Transmission Over 253.4 km Ultra Low Loss Fibre Achieving 6.95 (b/s)/Hz Se Using EDFA-Only Pre-Amplifier ER -