Reach Enhancement for WDM Direct-Detection Subcarrier Modulation using Low-Complexity Two-Stage Signal-Signal Beat Interference Cancellation

Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland

Proceedings: ECOC 2016

Pages: 3Language: englishTyp: PDF

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Li, Z.; Erkilinc, M. S.; Maher, R.; Galdino, L.; Shi, L.; Thomsen, B. C.; Bayvel, B.; Killey, R. I. (Optical Networks Group, Department of Electronic & Electrical Engineering, University College London (UCL), London, WC1E 7JE, UK)

We describe a novel low-complexity SSBI cancellation scheme, and experimentally investigate its performance in a 7×25 Gb/s WDM direct-detection single-sideband 16QAM Nyquist-subcarrier modulation system. The scheme achieves a doubling of the transmission reach.