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Quantum Dice Generate Truly Random Numbers

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ERLANGEN, Germany, Sept. 13, 2010 — In classical physics every event can be explained in mathematical terms, but researchers at the Max Planck Institute for the Physics of Light have reportedly constructed a device that works on the principle of true randomness. With the help of quantum physics, their machine generates random numbers that cannot be predicted in advance. "True random numbers are difficult to generate but they are needed for a lot of applications," said Gerd Leuchs, director of the Max Planck Institute for the Physics of Light. Security technology, in particular, needs random combinations of numbers...Read full article

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    Published: September 2010
    Glossary
    quantum mechanics
    The science of all complex elements of atomic and molecular spectra, and the interaction of radiation and matter.
    quantum noise
    Noise generated within an optical communications system link that has both internal (dark current) and external (background noise, or noise in signal) components.
    beam splitterChristian GabrielChristoffer WittmannChristoph Marquardtclassical physicsdefenseencoding bank dataEuropeGerd LeuchsGermanyMax Planck Institute for the Physics of LightMont Carlo simulationsprobabilitiesquantum dicequantum mechanicsquantum noisequantum physics box of tricksquatum physicsquntum mechanicsrandom numbersResearch & Technologysecurity technologySensors & Detectorssimulating randomnessstrong laser beamTechnical University of Denmarktrue randomnessUlrik AndersenUniversity of Erlangen-Nurembergvacuum fluctuationsWolfgang MauererLasers

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