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Fiber-optic Communications
Essay specific features
Written by:
Carla A
Date added:
March 7, 2013
Level:
University
Grade:
A
No of pages / words:
2 / 425
Was viewed:
9105 times
Rating of current essay:
Essay content:
Microchips are made of semiconductors and a semiconductor is a band gap. A band gap makes is possible to control the flow of electricity in a chip. In order to make light chips, you need the photonic equivalent of silicon: a material that can trap light. "You need a way of trapping the light so there are no escape channels," says John...
displayed 300 characters
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Diederik Wiersma and his colleagues used a powder of gallium arsenide. The laser could not penetrate a layer of powder even when the layer was less than a hundredth of an inch thick. It was indeed the very first time that anyone had trapped light, but as they knew, microchips cannot be made out of powder...
displayed 300 characters
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