08 Mar '12, 6pm

HP Labs Using Laser-Powered Chips for Faster, Energy-Efficient Computing

HP Labs Using Laser-Powered Chips for Faster, Energy-Efficient Computing

Nothing is faster than the speed of light. So you might think that is why HP Labs wants to use photonics (light) instead of electrons to set new computing speed limits. But you would be wrong. HP Labs' laser-based chip project, codenamed Corona, would use light instead of electricity to communicate information between chip cores and also from the chips to memory in order to save space and to save energy. A Short History of Data on the Wire If you are old enough (or curious enough), you may have tested your soldering skills assembling electronic bits and pieces into primitive number crunchers consisting of transistors that are, literally, wired together. All those electronic parts and wires were replaced by the integrated circuits, aka microchips , which remain the basis of the modern computer.An integrated circuit consists, typically, of a silicon wafer that carries thousa...

Full article: http://www.treehugger.com/gadgets/hp-labs-using-laser-pow...

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