Implicit Constellation Shaping in Regenerative Optical Networks
Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland
Proceedings: ECOC 2016
Pages: 3Language: englishTyp: PDFPersonal VDE Members are entitled to a 10% discount on this title
Schmalen, Laurent; Buchali, Fred (Nokia Bell Labs, Lorenzstr. 10, 70435 Stuttgart, Germany)
In this paper, we consider optical coherent networks with regenerative nodes. We show that by properly optimizing the regenerators, we can improve the network’s spectral efficiency with minor receiver modifications. This method automatically includes a fall-back to lower-order modulation formats.