Cornell researchers create a broadband light amplifier on a chip

July 6, 2006

By Bill Steele

ws21@cornell.edu

Cornell University researchers have created a broadband light amplifier on a silicon chip, a major breakthrough in the quest to create photonic microchips. In such microchips, beams of light traveling through microscopic waveguides will replace electric currents traveling through microscopic wires.

A team of researchers working with Alexander Gaeta, Cornell professor of applied and engineering physics, and Michal Lipson, assistant professor of electrical and computer engineering, used the Cornell NanoScale Facility to make the devices. They reported their results in the June 22 issue of the journal Nature.

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