Across the world, specialists are working on implementing quantum information technologies. One important path involves light: Looking ahead, single light packages, also known as light quanta or photons, could transmit data that is both coded and effectively tap proof. To this end, new photon sources are required that emit single light quanta in a controlled fashion -- and on demand. Only recently has it been discovered that silicon can host sources of single-photons with properties suitable for quantum communication. So far, however, no-one has known how to integrate the sources into modern photonic circuits. Scientists have now presented an appropriate production technology using silicon nanopillars: a chemical etching method followed by ion bombardment.
from Latest Science News -- ScienceDaily https://ift.tt/5TwqGZP
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