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Hybrid Process Integrates PIC with Artificial Atoms to Scale Up Quantum Chip

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MIT researchers have developed a way to manufacture and integrate artificial atoms with photonic circuitry to produce a quantum chip that could be used for large-scale quantum systems. Using a hybrid, modular approach, the researchers built what they believe to be the largest integrated artificial-atom photonics chip yet. Instead of trying to build a large quantum chip entirely in diamond, the researchers integrated quantum microchiplets, or QMCs — diamond waveguide arrays containing highly coherent color centers — on a photonic integrated circuit (PIC). The artificial atoms...Read full article

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    Published: July 2020
    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...
    quantum optics
    The area of optics in which quantum theory is used to describe light in discrete units or "quanta" of energy known as photons. First observed by Albert Einstein's photoelectric effect, this particle description of light is the foundation for describing the transfer of energy (i.e. absorption and emission) in light matter interaction.
    integrated photonics
    Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers, modulators, detectors, and waveguides, on a single chip or substrate. The goal of integrated photonics is to miniaturize and consolidate optical elements in a manner similar to the integration of electronic components on a microchip in traditional integrated circuits. Key aspects of integrated photonics include: Miniaturization: Integrated photonics aims to...
    Research & TechnologyeducationAmericasMITMassachusetts Institute of Technologyquantumquantum opticssingle photonsphotonic integrated circuitsintegrated photonicssilicon photonicssemiconductorsquantum chipsartificial atomsLight SourcesMaterialsTech Pulse

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