Title :
Generation of 64-QAM signals using a single dual-drive IQ modulator driven by 4-level and binary electrical signals
Author :
Shuangyi Yan ; Dawei Wang ; Yuliang Gao ; Chao Lu ; Lau, Alan Pak Tao ; Yupeng Zhu ; Yongheng Dai ; Xiaogeng Xu
Author_Institution :
Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., Hong Kong, China
Abstract :
A simple square 64-QAM generation technique using a commercially available dual-drive IQ modulator driven by 4-level and binary electrical signals is proposed. Polarization multiplexed (PM) 64-QAM signals at 20Gbaud/s are experimentally demonstrated.
Keywords :
optical modulation; quadrature amplitude modulation; PM 64-QAM signals; binary electrical signals; polarization multiplexed 64-QAM signals; single dual-drive IQ modulator; Constellation diagram; Optical attenuators; Optical noise; Optical polarization; Optical transmitters; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
