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Microcomb Promises Durability in Biophotonics, Metrological Applications

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GOTHENBURG, Sweden, March 9, 2021 — A microcomb developed by researchers from Chalmers University of Technology has the potential to herald significant advances in a variety of technologies, spanning metrology and optical communication. The design is based on two microresonators and is coherent, tunable, and reproducible, and has up to 10× higher net conversion efficiency than current state-of-the-art devices. Microcombs generate a variety of uniformly distributed colors on a tiny cavity known as a microresonator. They can be used to measure or generate frequencies with extreme precision. Researchers at Chalmers...Read full article

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    Published: March 2021
    Glossary
    microcomb
    A microcomb, short for microresonator frequency comb, is a novel photonic device that generates a precise series of evenly spaced optical frequencies, akin to the teeth of a comb, across a broad spectrum of wavelengths. It operates based on the phenomenon of Kerr frequency comb generation, which occurs in certain nonlinear optical resonators. Microcombs are typically fabricated from high-quality optical materials, such as silicon nitride or silicon dioxide, and have dimensions on the order of...
    lidar
    Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and generate precise, three-dimensional information about the shape and characteristics of objects and surfaces. Lidar systems typically consist of a laser scanner, a GPS receiver, and an inertial measurement unit (IMU), all integrated into a single system. Here is how lidar works: Laser emission: A laser emits laser pulses, often in the form of rapid and repetitive laser...
    Research & TechnologymicroresonatormicrocombspectroscopyLight SourcesLaserslidarChalmersChalmers UniversityChalmers University of TechnologyEuropeNature PhotonicsEuro News

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