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Researchers Determine Quantum Light Source in 2D Material

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Scientists at the Vienna University of Technology (TU Wien) have uncovered the source of a special type of quantum light created at certain points in the 2D material tungsten diselenide (WSe2) when it is supplied with energy. They found that this special-nature light, which exhibits an antibunching effect, results from the interaction between single atomic defects in the material and mechanical strain. Computer simulations showed how electrons were driven to specific places in the WSe2, where they were captured by a defect, lost energy, and emitted a photon. WSe2 is an atomically thin...Read full article

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    Published: October 2019
    Glossary
    quantum
    The term quantum refers to the fundamental unit or discrete amount of a physical quantity involved in interactions at the atomic and subatomic scales. It originates from quantum theory, a branch of physics that emerged in the early 20th century to explain phenomena observed on very small scales, where classical physics fails to provide accurate explanations. In the context of quantum theory, several key concepts are associated with the term quantum: Quantum mechanics: This is the branch of...
    Research & TechnologyeducationEuropeVienna University of TechnologyTU WienLight SourcesMaterials2D materialsultrathin materialsquantumCommunicationsquantum cryptographysemiconductorssingle photon sourcesquantum lightTech Pulse

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