Optical Networking White Papers
WDM and SDM in Future Optical Networks
Overview Increasing bandwidth demands, caused by growing numbers of users, increasing popularity of the Internet, multi-media services, and higher demands on quality, urge the development of ever faster networks. To meet these demands, optical techniques are being introduced in public networks but on a link-to-link basis. This paper addresses future networks that will be to a large extent all-optical. A comparison is made of the strengths and weaknesses of two multiplexing techniques: Wavelength Division Multiplexing (WDM) and Space Division Multiplexing (SDM). It is prompted by the fact that both SDM and WDM are viable options for the optical layer of all-optical networks. Several issues are considered: switches, single and multi-hop operation, core and access network, and scalability.
| Publisher | University of Twente | File Format | |
|---|---|---|---|
| Date Published | June 2000 | ||
| Format | White Papers | ||
| Topics | |||
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