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Thin-film laser takes a practical approach to silicon photonics

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Marie Freebody, [email protected]

Scientists have successfully built a thin-film laser onto silicon that demonstrates the lowest threshold current densities to date for lasers on silicon integrated with waveguides. The Duke University researchers say that their tiny laser is cheap and simple to produce, making it an ideal component for future chip-scale optical integrated circuits. Chip-scale optical sources are necessary for optical sensing systems for portable medical diagnostics and environmental monitoring as well as high-bandwidth chip-to-chip optical interconnects in future optical computers. But developing small...Read full article

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    Published: January 2011
    Glossary
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    A photodetector, also known as a photosensor or photodiode, is a device that detects and converts light into an electrical signal. Photodetectors are widely used in various applications, ranging from simple light sensing to more complex tasks such as imaging and communication. Key features and principles of photodetectors include: Light sensing: The primary function of a photodetector is to sense or detect light. When photons (particles of light) strike the active area of the photodetector,...
    Biophotonicschip-scale optical integrated circuitsCMOS integrated circuitsDepartment of Electrical and Computer EngineeringDuke Universityedge-emitting single-quantum-well laserenvironmental monitoringIII–VJokerstMarie Freebodymedical diagnosticsmicrofluidicsmicroresonator sensorsNan Marie Jokerstoptical computingoptical interconnectsOptics Lettersphotodetectorpolymer waveguideResearch & TechnologySensors & DetectorssiliconTech Pulsethin-film laserLasers

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