Sun-drenched summer vacations may yield pleasant memories, but physicists in Australia have harnessed the power of light to remember something else: quantum information.
LIGHT MEMORY A laser penetrates a crystal containing the rare earth element praseodymium, which retains a memory of quantum information contained within the light. Matthew Sellars/Australian National University
Researchers have coaxed laboratory crystals to capture and release information carried within a light pulse at the highest efficiency yet.
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