Title :
25.6-Tb/s WDM Transmission of Polarization-Multiplexed RZ-DQPSK Signals
Author :
Gnauck, A.H. ; Charlet, G. ; Tran, P. ; Winzer, P.J. ; Doerr, C.R. ; Centanni, J.C. ; Burrows, E.C. ; Kawanishi, T. ; Sakamoto, T. ; Higuma, K.
Author_Institution :
Alcatel-Lucent, Bell
Abstract :
We demonstrate record 25.6-Tb/s transmission over 240 km using 160 WDM channels on a 50-GHz grid in the C+L bands. Each channel contains two polarization-multiplexed 85.4-Gb/s RZ-DQPSK signals, yielding a spectral efficiency of 3.2b/s/Hz in each band.
Keywords :
differential phase shift keying; optical fibre communication; optical fibre polarisation; optical modulation; wavelength division multiplexing; bit rate 25.6 Tbit/s; bit rate 85.4 Gbit/s; differential quadrature phase shift keying; frequency 50 GHz; modulation formats; optical fiber communications; optical modulation; spectral efficiency; wavelength division multiplexing; Differential quadrature phase shift keying; high spectral efficiency; modulation formats; optical fiber communications; optical modulation;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2007.912110
