Title :
Compensation of constellation distortion due to imbalance of delay detection in incoherent optical QAM signaling
Author :
Mandai, Kohei ; Kikuchi, Naoya
Author_Institution :
Central Res. Lab., Hitachi Ltd., Yokohama, Japan
fDate :
June 30 2013-July 4 2013
Abstract :
We experimentally confirm that distortion in constellation of received signals due to imbalance of delay detection causes BER degradation in incoherent optical QAM signaling and propose and demonstrate distortion compensation technique using digital signal processing.
Keywords :
compensation; light coherence; optical communication; quadrature amplitude modulation; BER degradation; constellation distortion; delay detection; digital signal processing; distortion compensation technique; incoherent optical QAM signaling; received signals; Constellation diagram; Delays; Distortion; Optical attenuators; Optical distortion; Optical receivers; Quadrature amplitude modulation;
Conference_Titel :
OptoElectronics and Communications Conference held jointly with 2013 International Conference on Photonics in Switching (OECC/PS), 2013 18th
Conference_Location :
Kyoto
