Title :
Experimental demonstration of digital predistortion for linearization of Mach-Zehnder modulators in direct-detection MB-OFDM ultra-wideband over fiber systems
Author :
Omomukuyo, Oluyemi ; Thakur, Manoj P. ; Mitchell, Jason E.
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. Coll. London, London, UK
Abstract :
Digital predistortion for an intensity-modulated direct-detection MB-OFDM UWB system is proposed and experimentally demonstrated to compensate for the non-linear transfer characteristics of the utilized Mach-Zehnder modulator and improve system performance.
Keywords :
Mach-Zehnder interferometers; OFDM modulation; intensity modulation; linearisation techniques; microwave photonics; optical communication equipment; optical modulation; radio-over-fibre; Mach-Zehnder modulators; digital predistortion; direct-detection MB-OFDM ultrawideband over fiber systems; intensity modulation; linearization; nonlinear transfer characteristics;
Conference_Titel :
Communications and Photonics Conference (ACP), 2012 Asia
Conference_Location :
Guangzhou
Print_ISBN :
978-1-4673-6274-0
