Here Comes the Supercomputer on a Chip

IBM says it has made a breakthrough in converting electrical signals into light pulses that brings closer the day when supercomputing, which now requires huge machines, will be done on a single chip. In research published on Thursday in the journal Optics Express, IBM said it had produced electro-optic modulators 100 to 1,000 times smaller than comparable silicon photonics modulators and small enough to fit on a processor chip. By connecting processing cores on a chip by light instead of with wires, the problems of high energy consumption and heat generated by multi-core chips could be bypassed, enabling leaps in computing power

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