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Quantum computer recycles photons

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New demonstrations show it is possible to recycle the photons inside a quantum computer so that quantum factoring can be achieved using only one-third of the particles originally required. University of Bristol scientists recycled one of the photons in a quantum optical circuit and achieved a record by factoring 21 with a quantum algorithm – previous demonstrations have factored 15. “Quantum computers promise to harness the counterintuitive laws of quantum mechanics to perform calculations that are forever out of reach of conventional classical computers,” said...Read full article

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    Published: January 2013
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    classical computersCQPEnglandEnrique Martín-LópezEuropeOpticsparticlesphotonicsphotonsquantum algorithmquantum computersquantum factoringResearch & TechnologyTech Pulse

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