IBM announced recently that its scientists have built the world's tiniest nanophotonic switch. The switch has a footprint about 100X smaller than the cross section of a human hair.
Nanophotonic switches use light pulses instead of electrons to send information inside a computer chip.
IBM's new nanophotonic switch is an important building block to control the flow of information inside future chips and can significantly speed up the chip performance while using much less energy.
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