Title :
New modulation scheme for integrated single side band lightwave source allowing fiber transport up to 256 QAM over 38 GHz carrier
Author :
Vergnol, E. ; Cadiou, J.F. ; Carenco, A. ; Kazmierski, C.
Author_Institution :
Groupement d´interet Economique, France Telecom, Lannion, France
Abstract :
A new modulation scheme for the integrated SSB source is presented allowing now to address 256 QAM modulation format on a 38 GHz millimetric carrier while yielding very low phase noise. Moreover, this scheme presents 10 dB gain for both carrier and signal modulation power.
Keywords :
distributed feedback lasers; integrated optoelectronics; light interferometers; light sources; optical modulation; optical transmitters; quadrature amplitude modulation; semiconductor lasers; 10 dB; GHz carrier; GHz millimetric carrier; QAM; QAM modulation format; fiber transport; integrated SSB source; integrated single side band lightwave source; modulation scheme; signal modulation power; very low phase noise; Bandwidth; Chromatic dispersion; Frequency; Laser noise; Optical interferometry; Phase modulation; Phase noise; Photodetectors; Quadrature amplitude modulation; Radiofrequency amplifiers;
Conference_Titel :
Optical Fiber Communication Conference, 2000
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-630-3
DOI :
10.1109/OFC.2000.869439
