Title :
Demonstration of 50 Gbit/s 16QAM signal generation by novel 16QAM generation method using a dual-drive InP Mach-Zehnder modulator
Author :
Yamada, Eiichi ; Shibata, Yasuo ; Watanabe, Kei ; Yasui, Takako ; Ohki, Akira ; Mawatari, Hiroyasu ; Kanazawa, Shigeru ; Iga, Ryuzo ; Ishii, Hiroyuki
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi, Japan
Abstract :
We propose a novel 16QAM signal generation method using a single Mach-Zehnder modulator. We successfully demonstrate 50 Gbit/s 16QAM signal generation with a dual-drive npin InP Mach-Zehnder modulator using amplitude control by electro-absorption.
Keywords :
III-V semiconductors; Mach-Zehnder interferometers; electroabsorption; indium compounds; optical modulation; quadrature amplitude modulation; signal generators; InP; QAM generation method; QAM signal generation; amplitude control; dual-drive InP Mach-Zehnder modulator; dual-drive npin InP Mach-Zehnder modulator; electro-absorption; single Mach-Zehnder modulator; Constellation diagram; Electrodes; Optical modulation; Optical transmitters; Phase shift keying;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4577-0213-6
