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Rewritable Optical Components Developed for 2D Lightwaves

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A team from Harvard University’s John A. Paulson School of Engineering and Applied Sciences (SEAS) has developed rewritable optical components for surface lightwaves. When a wave of light is confined on a 2D plane by certain materials, it becomes something known as a polariton — a particle that blurs the line between light and matter. Polaritons enable light to be tightly confined to the nanoscale, even potentially to the thickness of a few atoms. That capability poses interesting implications for the future of optical circuits. Unlike electronic integrated circuits,...Read full article

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    Published: November 2019
    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.
    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 reduce the...
    Research & Technology2d lightpolaritonsFederico CapassoHarvard SEASintegrated opticsOpticsintegrated photonicslensesTech Pulse

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