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Silicon Defect Offers Photonic Link to Quantum Internet

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A research team at Simon Fraser University (SFU) exploited a defect in silicon that it believes will enable the realization of massively scalable quantum computers — and the quantum internet that will connect them. Previous research has indicated silicon as a suitable material for producing stable and long-lived qubits. The current research provides proof of principle that T centers, a specific luminescent defect in silicon, can provide a photonic link between qubits. A single T center qubit in the silicon lattice, which supports the first single spin to ever be optically...Read full article

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    Published: July 2022
    Glossary
    integrated optics
    A thin-film device containing miniature optical components connected via optical waveguides on a transparent dielectric substrate, whose lenses, detectors, filters, couplers and so forth perform operations analogous to those of integrated electronic circuits for switching, communications and logic.
    lithography
    Lithography is a key process used in microfabrication and semiconductor manufacturing to create intricate patterns on the surface of substrates, typically silicon wafers. It involves the transfer of a desired pattern onto a photosensitive material called a resist, which is coated onto the substrate. The resist is then selectively exposed to light or other radiation using a mask or reticle that contains the pattern of interest. The lithography process can be broadly categorized into several...
    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 & Technologysiliconsilicon photonicsintegrated opticsphotonic chiplithographyquantumquantum computingquantum InternetmicropuckT centerMaterialsSimon Fraser UniversityAmericasTechnology News

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