40Gb/s RZ-DPSK signals were successfully transmitted over 4,920km with 110km repeater spacing using only single stage C-band EDFAs. The performance of 40Gb/s and 10Gb/s RZ-DPSK was compared. Q-factor fluctuations are an issue for 40Gb/s system.
© 2006 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.5060) Fiber optics and optical communications : Phase modulation
J. Cai, M. Nissov, W. Anderson, M. Vaa, C. R. Davidson, D. G. Foursa, L. Liu, Y. Cai, A. J. Lucero, W. W. Patterson, P. C. Corbett, A. N. Pilipetskii, and N. S. Bergano, " Long-Haul 40 Gb/s RZ-DPSK Transmission With Long Repeater Spacing," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OFD3.