Title :
Improved Margin in Long-Haul 40 Gb/s Systems Using Bit-Synchronously Modulated RZ-DQPSK
Author :
Cai, J.-X. ; Nissov, M. ; Davidson, C.R. ; Anderson, W. ; Cai, Y. ; Pilipetskii, A.N. ; Foursa, D.G. ; Patterson, W.W. ; Corbett, P.C. ; Lucero, A.J. ; Bergano, Neal S.
Author_Institution :
Tyco Telecommunications, 250 Industrial Way West, Eatontown NJ 07724, USA, 732 578 7585 (voice) 732 578 7302 (fax), jcai@tycotelecom.com (email)
Abstract :
We demonstrated a substantial improvement in FEC margin at 40 Gb/s using bit-synchronously modulated RZ-DQPSK. We transmitted 28×40 Gb/s CRZ-DQPSK channels over 6,550 km with ~2 dB of actual FEC margin, without any PMD compensation.
Keywords :
Channel spacing; Delay; Dispersion; Fluctuations; Optical fiber polarization; Optical fiber testing; Phase modulation; Pulse modulation; Q factor; Transmitters;
Conference_Titel :
Optical Fiber Communication Conference, 2006 and the 2006 National Fiber Optic Engineers Conference. OFC 2006
Print_ISBN :
1-55752-803-9
DOI :
10.1109/OFC.2006.216066
