Title :
NRZ versus RZ format in Nx40 Gbit/s WDM terrestrial transmission systems with high spectral efficiency of 0.4 bit/(s.Hz)
Author :
Frignac, Yann ; Bigo, Sébastien ; Hamaide, J.-P.
Author_Institution :
Alcatel Res. & Innovation, Marcoussis, France
Abstract :
NRZ and RZ modulation format performances are numerically compared for Nx42.66 Gb/s dispersion-managed systems with high spectral efficiency. We highlight the interest of strong optical filtering at the transmitter side for both modulation formats.
Keywords :
optical fibre communication; optical fibre dispersion; optical filters; optical modulation; optical transmitters; wavelength division multiplexing; 40 Gbit/s; NRZ modulation format; RZ modulation format; WDM terrestrial transmission systems; dispersion-managed systems; dual-stage EDFA; high spectral efficiency; optical filtering; transmitter; Crosstalk; Fiber nonlinear optics; Modulation; Optical fiber polarization; Optical filters; Optical receivers; Optical signal processing; Optical transmitters; Polarization mode dispersion; Wavelength division multiplexing;
Conference_Titel :
Optical Communication, 2001. ECOC '01. 27th European Conference on
Print_ISBN :
0-7803-6705-7
DOI :
10.1109/ECOC.2001.989091
