19 August 2003 Applications of WDM in the metro access market
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Abstract
Fiber optics is now widely deployed in data networks inside of buildings and in the long haul telecom networks. But tying these networks are copper based transmission lines in the metropolitan areas. As fiber is able to take over in the metropolitan access networks a uniformly high bandwidth, low latency network emerges. Technically speaking this is the most challenging area for optical communications technology. It requires low cost, sometimes extended temperature, small size and power and very often WDM on top of all these other constraints because laying new fibers for this network is prohibitively expensive. Use of WDM in these markets allows use of lean fiber plant simultaneously with service separation by wavelength. Thus different protocols and end user needs are flexibly met on a pay as you deploy and use basis. This paper draws a number of simple metro access rings each with different bandwidths and protocols and technologies. Costs as well as performance will be cited on a per node basis.
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Frank H. Levinson, James F. Aldridge, "Applications of WDM in the metro access market", Proc. SPIE 5247, Optical Transmission Systems and Equipment for WDM Networking II, (19 August 2003); doi: 10.1117/12.513895; https://doi.org/10.1117/12.513895
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