Title :
High performance carrier phase recovery for coherent optical QAM
Author :
Argyris, Nikolaos ; Dris, Stefanos ; Spatharakis, Christos ; Avramopoulos, Hercules
Author_Institution :
Inst. of Commun. & Comput. Syst., Nat. Tech. Univ. of Athens, Zografou, Greece
Abstract :
A simple feedforward phase recovery algorithm for M-QAM constellations is presented. Performance is evaluated as a function of laser linewidth and SNR for 16- and 64-QAM, and is compared to that of the Blind Phase Search algorithm.
Keywords :
optical communication equipment; optical modulation; quadrature amplitude modulation; 16-QAM; 64-QAM; M-QAM constellation; blind phase search algorithm; carrier phase recovery; coherent optical QAM; feedforward phase recovery algorithm; laser linewidth; Lasers;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
