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Technology Stocks : SDL, Inc. [Nasdaq: SDLI]

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To: Wyätt Gwyön who wrote (2088)	7/9/2000 9:45:31 AM
From: pat mudge	Read Replies (1) of 3951

While waiting for center court action. . . icd.pennwellnet.com Indium phosphide (InP) is likely to become instrumental in the making of ICs for optical as well as electrical components used in very-high-speed fiber-optic networks, says Khan. "Because its mobility is even higher than that of gallium arsenide (GaAs), InP is a natural material to make very-high-speed electronic IC components that are part of the fiber-optic transceivers," she explains. . . . "I think the most efficient form of amplification is going to be distributed Raman amplifier erbium-doped fiber amplifier [EDFA] combinations [for high-capacity networks]," says George Wildeman, product-line manager for amplifiers at Corning Inc. (Corning, NY). The Raman amplifier is the preamplifier and the EDFA is the booster amplifier. "If you don't have Raman amplification in 40-Gbit/sec systems-even if you're not trying to do long reach-you could only space these repeater huts about every 40 km, which would not be economical. If you want to keep the standard 80- to 100-km hut spacings, then the distributed Raman EDFA amplification allows you to achieve that span distance. It's providing reduced noise, but it's also extending the span length. . . . "

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