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

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To: Curtis E. Bemis who wrote (2653)	9/1/2000 10:23:08 AM
From: pat mudge	Read Replies (3) of 3951

Corning and Siemens demo 40Gbps systems: lightreading.com ic.siemens.com The demonstration will transmit eight channels of simulated live traffic, error free, at 40 Gb/s per channel over 4 x 100 km spans (400km) of LEAF fiber. By integrating Siemens' 40 Gb/s systems and DWDM terminal TransXpress Infinity with Corning's LEAF fiber, PureGain EDFA and Raman amplifiers, and PureForm DCM Modules for LEAF fiber, both companies have achieved the capability to manage the power, noise, dispersion and non-linear effects at 40 Gb/s transmission rates. The large effective area of LEAF fiber reduces peak light intensity in the core of the fiber and allows more power to be pumped into the network while reducing the non-linear effects that can degrade system performance. This feature also allows the best balance of Raman pump power level and EDFA output power and provides an optimal signal-to-noise ratio (SNR).

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