Title :
Nonlinear effect of IQ modulator in a realtime synchronous 16-QAM transmission system
Author :
Al-Bermani, A. ; Wördehoff, C. ; Hoffmann, S. ; Rückert, U. ; Noé, R.
Author_Institution :
EIM-E, Univ. of Paderborn, Paderborn, Germany
Abstract :
Different operation points of a 16-QAM modulator are tested in realtime. An optimal condition is found which minimizes BER. The FEC threshold was reached for a receiver input power below -30 dBm.
Keywords :
optical communication; optical modulation; quadrature amplitude modulation; 16-QAM modulator; FEC threshold; IQ modulator; nonlinear effect; operation points; optimal condition; real time synchronous 16-QAM transmission system; Bit error rate; Modulation; Nonlinear optics; Optical attenuators; Optical distortion; Optical receivers; Optical transmitters;
Conference_Titel :
Photonics Conference (PHO), 2011 IEEE
Conference_Location :
Arlington, VA
Print_ISBN :
978-1-4244-8940-4
DOI :
10.1109/PHO.2011.6110774
