Title :
Transmission of RZ-DQPSK over 6500 km with 0.66 bit/s/Hz spectral efficiency
Author :
Tokle, Torger ; Davidson, C.R. ; Nissov, M. ; Cai, J.-X. ; Foursa, D.G. ; Pilipetskii, A.
Author_Institution :
Tyco Telecommun., USA
Abstract :
Transmission of 12.5 Gbit/s RZ-DQPSK signals over 6500 km with different channel spacings is presented. We demonstrate the feasibility of trans-oceanic transmission using DQPSK in DWDM systems with up to 0.66 bit/s/Hz spectral efficiency.
Keywords :
channel spacing; differential phase shift keying; optical communication; quadrature phase shift keying; wavelength division multiplexing; 12.5 Gbit/s; 6500 km; DWDM systems; RZ-DQPSK signals; channel spacing; dense wavelength division multiplexing; return-to-zero differential quadrature phase shift keying; trans-oceanic transmission; Band pass filters; Channel spacing; Clocks; Dispersion; Optical receivers; Optical transmitters; Phase modulation; Pulse amplifiers; Signal generators; Wavelength division multiplexing;
Conference_Titel :
Advanced Modulation Formats, 2004 IEEE/LEOS Workshop on
Print_ISBN :
0-7803-8425-3
DOI :
10.1109/ADMF.2004.1321692
