Title :
Linearity requirements of QAM transmitters
Author :
Hughes, Stuart ; Jie Pan ; Langston, Jerrod S. ; Isautier, Pierre ; Shankar, Hari ; Ralph, Stephen E.
Author_Institution :
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Abstract :
16, 64QAM, and higher-modulation formats impose strict linearity requirements on the modulator-driver response. We experimentally demonstrate the relation between transmitter nonlinearity and OSNR penalty. Simulations confirm experimental data for a wide range of harmonic distortion.
Keywords :
harmonic distortion; optical distortion; optical modulation; optical transmitters; quadrature amplitude modulation; OSNR penalty; QAM transmitter linearity; harmonic distortion; modulator-driver response; Bit error rate; Decision support systems; Harmonic distortion; Linearity; Optical distortion; Optical transmitters; Quadrature amplitude modulation;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
