IBM is replacing copper wiring with an avalanche of photons and electrons. They are now transmitting data streams between circuits at the nanophotonic level. Speed: 40Gbps. Power supply: Just 1.5 volts. This video explain how it works.


The system is so fast and consumes so little because of electron avalanches: The receptor—called nanophotonic avalanche photodetector—catches the photon, which starts an electron chain reaction thanks to the properties of Germanium. What does this mean: Faster, smaller, and more power efficient devices. And the possibility of saying "nanophotonics" any time we want.




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