Abstract
As the ever-increasing demand for extra capacity and longer transmission distance pushes the technologies to the limit, there is a growing interest to address some of the system impairments at the transmission fiber. The concept of a dispersion-managed transmission span consisting a positive and a negative dispersion fiber section offers the promise of highly accurate in-line chromatic dispersion control, eliminating the need of an in-line dispersion compensating module (DCM) and the associated PMD. In conjunction with distributed Raman amplification, it offers the possibility of a simpler and cost effective system solution. Laboratory demonstrations1,2 and simulation comparison3 at 40 Gb/s have already highlighted the potential value of this combined approach. To date, the key issue centers on the optimal distribution of the large-effective-area positive dispersion fiber (PDF) and the small-effective-area negative dispersion fiber (NDF) section to harvest these benefits. In this paper, we report experimental results on the comparative evaluation of two dispersion management schemes in a 500 km 16-channel 40 Gb/s transmission link with Raman-assisted amplification. Our result confirms that the composite PDF-NDF-PDF span configuration exhibits superior performance in system Q and tolerance to non-linearity over the simpler PDF-NDF arrangement.
© 2002 Optical Society of America
PDF ArticleMore Like This
L. Leng, B. Zhu, S. Stulz, L.E. Nelson, N.T. Le Quang, and Lars Gruner-Nielsen
ThX2 Optical Fiber Communication Conference (OFC) 2002
Y. Zhu, C.R.S. Fludger, W.S. Lee, P. Lobb, T. Schilhabel, and A. Hadjifotiou
ThX1 Optical Fiber Communication Conference (OFC) 2002
W. David Cornwell, Henry O. Edwards, Nigel H. Taylor, Davinder S. Lotay, Steve A. Smith, and Seraj Hamidi
WP4 Optical Fiber Communication Conference (OFC) 2002