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Telecommunications Needs Drive Laser Improvements

Photonics Spectra
Jan 1999
Toby Strite and Pierre van der Stokker, Uniphase Corp.

This year, dense wavelength division multiplexed (DWDM) systems will expand from typical networks of 16 2.5-Gb/s channels to those with 80 or more 2.5-Gb/s channels, or up 40 10-Gb/s channels. This expansion will drive an increase in laser power for both transmitter and amplifier pump lasers at 980 and 1440 nm.

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