Title :
RZ versus NRZ pulse shape in duobinary modulation
Author :
Lyubomirsky, Ilya ; Chien, Cheng-Chung
Author_Institution :
Univ. of California, Riverside, CA
Abstract :
We present experimental data comparing RZ versus NRZ pulse shapes for optical duobinary modulation at 10 Gb/s. The NRZ pulse shape is found to be superior for duobinary systems dominated by ASE noise and/or dispersion.
Keywords :
distributed feedback lasers; erbium; optical fibre amplifiers; optical fibre communication; optical fibre dispersion; optical modulation; optical transmitters; superradiance; ASE noise; DFB laser transmitter; EDFA optical pre-amplifier; bit rate 10 Gbit/s; chromatic dispersion; duobinary transmission; nonreturn-to-zero pulse; optical duobinary modulation; return-to-zero pulse; ultra-narrow optical filtering; Bandwidth; Optical attenuators; Optical filters; Optical pulse shaping; Optical receivers; Optical signal processing; Optical transmitters; Pulse modulation; Pulse shaping methods; Shape; (060.2330) Fiber optics communications; (060.4510) Optical communications;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627614
