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Optical Networks: Backbones for Universal Connectivity
Communications traffic in the world’s fiber-optic backbone network is growing more than 10% per year and the growth rate is accelerating. The ever-increasing bandwidth demands are being met by an array of technological innovations including higher time-division multiplex (TDM) transmission rates combined with wavelength-division multiplex (WDM) overlays.
by Robert C. Bray and Douglas M. Baney
 Article 3 - dec97a3.pdf
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