Schmidt-Langhorst, C.C.Schmidt-LanghorstFrey, F.F.FreyNölle, M.M.NölleElschner, R.R.ElschnerMeuer, C.C.MeuerWilke-Berenguer, P.P.Wilke-BerenguerSchubert, C.C.Schubert2022-03-122022-03-122013https://publica.fraunhofer.de/handle/publica/38228410.1049/cp.2013.1639For a 448-Gb/s dual-carrier 28-GBd Nyquist PDM-16QAM data signal we investigate experimentally the trade-off between inter-subcarrier crosstalk and tight optical filtering after passing through a wavelength selective switch at Flexgrid channel bandwidths of 75, 63 and 50 GHz.enconference paper