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Title: A Cheaper Route to Speeding Up the Web - Kate Greene, Technology Review Post by: Mark David on April 15, 2007, 08:22:28 AM The fiber-optic networks that zip video clips and other data around the Web rely on devices made of expensive semiconductor materials for many operations, making it difficult to expand bandwidth inexpensively. Now, researchers at Alcatel-Lucent Bell Labs, in Murray Hill, NJ, have designed a crucial optical component--a filter that cleans up signals as they travel through a network--that is made completely of silicon. It performs better than many other filters, and because it's made of silicon, it can be mass-produced cheaply and integrated easily with electronic systems.
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