Title :
Optimization of subcarrier spacing of 400-Gb/s dual-carrier Nyquist PDM-16QAM in a Flexgrid scenario
Author :
C. Schmidt-Langhorst;F. Frey;M. Nölle;R. Elschner;C. Meuer;P. Wilke-Berenguer;C. Schubert
Author_Institution :
Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Einsteinufer 37, 10587 Berlin, Germany
Abstract :
For 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.
Conference_Titel :
Optical Communication (ECOC 2013), 39th European Conference and Exhibition on
DOI :
10.1049/cp.2013.1639