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    STEM tagged posts

    Quantum Dots can Spit out Clone-like Photons

    February 23, 2019, Categories  Physics, Technology/Electronics

    Scanning Transmission Electron Microscope image (STEM) of single perovskite quantum dots. New study shows that single perovskite quantum dots could be a fundamental building block for quantum-photonic technologies for computing or communications.
    Credit: Image courtesy of the authors

    Researchers have produced coherent single photon emitters, a key component for future quantum computers and communications systems. The study, which involves using a family of materials known as perovskites to make light-emitting particles called quantum dots, appears today in the journal Science. The paper is by MIT graduate student in chemistry Hendrik Utzat, professor of chemistry Moungi Bawendi, and nine others at MIT and at ETH in Zurich, Switzerland.

    The ability to produce individual photons with...

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