Researchers from the University of Colorado at Boulder and colleagues from the University of California at Berkeley and the Massachusetts Institute of Technology published in the journal Nature details of the microprocessor, used for data transmission light instead of electricity.
Presented by scientists microprocessor chip sizes 6 to 3 millimeters is based on architecture RISC-V and has two cores, one megabyte SRAM memory and 850 light IO ports. A characteristic feature is the ability to photonics data at different distances - from fractions of a millimeter to a few kilometers - at the same energy consumption: for bandwidth at the level of 1 Tb / s is required only 1.3 watts of power.
The use of light with different wavelengths allow to organize the transfer of several parallel data streams on the same channel, which may increase the already considerable capacity of the optical channel. The researchers hope that their development will find a commercial use in a few years.
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