Title :
Mitigation of filtering cascade penalties using spectral shaping in optical nodes
Author :
Rahman, Tanvir ; Napoli, Antonio ; Rafique, Danish ; de Man, E. ; Bohn, Marc ; Okonkwo, C.M. ; de Waardt, H.
Author_Institution :
COBRA Res. Inst., Eindhoven Univ. of Technol., Eindhoven, Netherlands
Abstract :
We experimentally evaluate filtering penalties due to channel add/drop in optical nodes for 32GBd PM-8QAM and PM-16QAM signals, transmitted over 37.5GHz WDM grid. Optical spectral shaping is employed in each node to mitigate optical filtering penalties.
Keywords :
optical modulation; quadrature amplitude modulation; wavelength division multiplexing; PM-16QAM signals; PM-8QAM signals; WDM grid; channel add; channel drop; filtering cascade penalty mitigation; optical nodes; optical spectral shaping; wavelength division multiplexed networks; Band-pass filters; Optical attenuators; Optical filters; Optical polarization; Optical receivers; Optical transmitters;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964176
