Title :
Nonlinear distortion of 16QAM constellations in intradyne coherent receiver
Author :
Sakamoto, Takahide ; Chiba, Akira ; Kawanishi, Tetsuyas
Author_Institution :
Nat. Inst. of Inf. & Commun. Technol., Koganei, Japan
Abstract :
We investigate nonlinear distortions of constellations revealed in intradyne receivers for 16QAM signal reception. It is shown that symbols of constellations are circularly spread by impairments of balanced detectors and amplifiers, increasing excess bit errors.
Keywords :
light coherence; nonlinear distortion; optical distortion; optical receivers; optical saturation; quadrature amplitude modulation; 16 QAM constellation; balanced amplifier; balanced detector; intradyne coherent receiver; nonlinear distortion;
Conference_Titel :
Lasers and Electro-Optics Europe (CLEO EUROPE/EQEC), 2011 Conference on and 12th European Quantum Electronics Conference
Conference_Location :
Munich
Print_ISBN :
978-1-4577-0533-5
Electronic_ISBN :
Pending
DOI :
10.1109/CLEOE.2011.5943130
