Title :
Generation of square or hexagonal 16-QAM signals using a single dual drive IQ modulator driven by binary signals
Author :
Yan, Shuangyi ; Wang, Dawei ; Gao, Yuliang ; Lu, Chao ; Lau, Alan Pak Tao ; Liu, Lei ; Xu, Xiaogeng
Author_Institution :
Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., Hong Kong, China
Abstract :
A simple square or hexagonal 16-QAM generation technique using a commercially available dual drive IQ modulator driven by 4 binary signals is proposed. Square or hexagonal polarization multiplexed (PM) 16-QAM signals at 25Gbaud/s are experimentally demonstrated.
Keywords :
optical transmitters; quadrature amplitude modulation; 16-QAM generation technique; binary signals; hexagonal 16-QAM signals; polarization multiplexed 16-QAM signals; single dual drive IQ modulator; square 16-QAM signals; Digital signal processing; Modulation; Optical attenuators; Optical noise; Optical polarization; Optical receivers; Optical transmitters;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3