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Spin Lasers Could Transfer Data Faster, Use Less Energy than Conventional Lasers

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Currently, rapid data transfer via optical fiber is accomplished by transmitting light signals that code data by modulating the light intensity. Due to physical limitations, data transfer that is based on a modulation of light intensity, without utilizing complex modulation formats, can only reach frequencies of around 40 to 50 gigahertz. Further, in order to achieve this speed, high electrical currents are necessary. In a novel approach to data transfer, researchers from Ruhr-Universität Bochum (RUB) used a semiconductor spin laser to enable room-temperature modulation frequencies...Read full article

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    Published: April 2019
    Glossary
    optical communications
    The transmission and reception of information by optical devices and sensors.
    Research & TechnologyeducationEuropeRuhr-Universität BochumUlm UniversityUniversity at BuffaloLasersLight SourcesOpticsoptical fiberssemiconductor lasersspin lasersoptical communicationsCommunicationssemiconductorsfiber opticsspintronicsultrafast lasersEuro NewsTech Pulse

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