@inproceedings{discovery1454129,
            year = {2014},
           month = {September},
         address = {Cannes, France},
           title = {Unrepeatered Transmission Over 253.4 km Ultra Low Loss Fibre Achieving 6.95 (b/s)/Hz Se Using EDFA-Only Pre-Amplifier},
           pages = {5.2--5.2},
       booktitle = {Proceedings of 2014 The European Conference on Optical Communication (ECOC)},
            note = {This version is the author accepted manuscript. For information on re-use, please refer to the publisher's terms and conditions.},
          volume = {2014},
       publisher = {IEEE},
        abstract = {A 560 Gb/s (7{$\times$}80 Gb/s Nyquist spaced PDM-16QAM) superchannel achieving 6.95 b/s/Hz spectral efficiency is transmitted over 253.4 km SMF-28(R) 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.},
             url = {https://doi.org/10.1109/ECOC.2014.6963884},
          author = {Galdino, L and Liga, G and Lavery, D and Maher, R and Xu, T and Savory, SJ and Sato, M and Killey, R and Thomsen, B and Bayvel, P},
        keywords = {Bandwidth, Optical fiber networks, Wavelength division multiplexing, Bit error rate, Optical fiber polarization,
Optical fiber filters, Erbium-doped fiber amplifiers, backpropagation, erbium, optical fibre amplifiers, optical fibre networks, quadrature amplitude modulation, telecommunication computing, unrepeated transmission, ultralow-loss fiber, EDFA-only pre-amplification, Nyquist-spaced PDM-16QAM, superchannel, spectral efficiency, SMF-28 ULL fiber, full-field nonlinear back-propagation, SE-distance product, bit rate 560 Gbit/s, distance 253.4 km, Er}
}