Dispersion management for long-haul high-speed optical networks

Details Dispersion management for long-haul high-speed optical networks Dispersion management for long-haul high-speed optical networks

H - Electricity

04

B

H04B 10/18 (2006.01) H01S 3/30 (2006.01) H04B 10/17 (2006.01) H01S 3/067 (2006.01)

Patent

CA 2340848

The dispersion managed solution for long haul, high speed D/WDM systems according to the invention operates on three closely related aspects of the communication system. One is provision of a new type of dispersion managed (DM) optical cable with improved dispersion performance over the existing unidirectional and bidirectional cables. Another aspect considered is providing a communication path implemented over DM cable with distributed Raman amplification, to obtain a transmission reach of 2000km and more, without regeneration. Still another aspect of the dispersion management solution according to the invention is to provide ways of managing the end-to-end dispersion of a communication path, using the DM cable and taking into consideration all active and passive network elements in the respective path. Consideration is also given to the evolution of the path from simple to complex, as the user demand on more services grow.

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