Title :
Phase noise tolerant carrier recovery scheme for 28 Gbaud circular 16QAM
Author :
Jaime Rodrigo Navarro;Miguel Iglesias Olmedo;Aditya Kakkar;Xiaodan Pang;Oskars Ozolins;Richard Schatz;Gunnar Jacobsen;Sergei Popov;Darko Zibar
Author_Institution :
Network and Transmission Laboratory, Acreo Swedish ICT AB, SE-164-25 Kista, Sweden
Abstract :
We propose a novel carrier phase recovery scheme for circular 16QAM coherent transmission systems. Experimental results show low penalties (<;1.4 dB) even for linewidths where square 16QAM exhibits irretrievable (above the FEC limit) error floor.
Keywords :
"Phase noise","Optical noise","Optical attenuators","Optical transmitters","Optical receivers","Optical modulation","Signal to noise ratio"
Conference_Titel :
Optical Communication (ECOC), 2015 European Conference on
DOI :
10.1109/ECOC.2015.7341657