Title :
Duobinary-based CPFSK system with direct modulation to reduce the bandwidth requirement of the laser
Author :
Prat, Josep ; Gené, Joan M. ; Polo, Victor
Author_Institution :
Dept. of Signal Theor. & Commun., Univ. Politecnica de Catalunya, Barcelona, Spain
Abstract :
The duobinary concept is applied onto direct frequency modulation of a semiconductor laser to achieve a low cost high bit rate transmission with 50% reduced modulation bandwidth requirement.
Keywords :
continuous phase modulation; frequency modulation; frequency shift keying; optical links; optical modulation; optical transmitters; semiconductor lasers; direct frequency modulation; duobinary-based CPFSK system; high bit rate transmission; modulation bandwidth requirement reduction; semiconductor laser; Bandwidth; Fiber nonlinear optics; Frequency modulation; Frequency shift keying; Laser theory; Optical distortion; Optical filters; Optical interferometry; Optical modulation; Optical receivers;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549272
