Title :
Experiment investigation of nonlinear distortion in QAM constellation due to imbalance in intradyne coherent receiver
Author :
Lu, Guo-Wei ; Sakamoto, Takahide ; Chiba, Akito ; Kawanishi, Tetsuya
Author_Institution :
Nat. Inst. of Inf. & Commun. Technol., Koganei, Japan
Abstract :
We experimentally investigate the nonlinear distortion in QAM constellation due to the imbalance detection in intradyne coherent receivers. The nonlinear distortion causes symbol spread, especially in the outer and inner symbols in the reconstructed constellation.
Keywords :
nonlinear distortion; optical receivers; quadrature amplitude modulation; QAM constellation; imbalance detection; intradyne coherent receiver; nonlinear distortion; reconstructed constellation; symbol spread; Interference; Nonlinear distortion; Optical distortion; Optical receivers; Optical saturation;
Conference_Titel :
Opto-Electronics and Communications Conference (OECC), 2012 17th
Conference_Location :
Busan
Print_ISBN :
978-1-4673-0976-9
Electronic_ISBN :
2166-8884
DOI :
10.1109/OECC.2012.6276715
