Title :
Modulation parameter tolerance for 8- and 16-APSK (amplitude- and phase-shift keying) signals
Author :
Sekine, Kenro ; Kikuchi, Nobuhiko ; Sasaki, Shinya
Author_Institution :
Lab. of Central Res., Hitachi Ltd., Tokyo
Abstract :
We investigate the impact of non-ideal modulating condition on multilevel APSK modulations, and find 4-% angular misalignment of orthogonal PSK components or residual chirp of 0.2 in ASK modulator causes 1-dB penalty of PSK components
Keywords :
amplitude shift keying; optical fibre communication; optical modulation; phase shift keying; 16-APSK signals; 8-APSK signals; amplitude and phase shift keying signals; angular misalignment; modulation parameter tolerance; Amplitude modulation; Amplitude shift keying; Chirp modulation; Modulation coding; Optical distortion; Optical modulation; Optical transmitters; Phase modulation; Phase shift keying; Voltage;
Conference_Titel :
Optical Fiber Communication Conference, 2006 and the 2006 National Fiber Optic Engineers Conference. OFC 2006
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-803-9
DOI :
10.1109/OFC.2006.215794
