Title :
A performance comparison of single-ended- and differential driving scheme at 64 Gbit/s QPSK modulation for InP-based IQ-Mach-Zehnder modulators in serial-push-pull configuration
Author :
M. Rausch;N. Wolf;L. Yan;K.-O. Velthaus;D. Hoffmann;M. Gruner;M. Schell
Author_Institution :
Fraunhofer Institute for Telecommunications, HHI, Berlin, Germany
Abstract :
We show the positive impact of differential driving on the optical QPSK signal performance. For the first time, an EVM of <;6% at 32 GBd QPSK has been achieved for a low power InP-IQM design, enabling small form factor transmitters.
Keywords :
"Phase shift keying","Optical modulation","Optical transmitters","Indium phosphide","III-V semiconductor materials","Frequency modulation"
Conference_Titel :
Optical Communication (ECOC), 2015 European Conference on
DOI :
10.1109/ECOC.2015.7341728
