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Better optical modulators boost silicon photonics

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An improved pair of optical modulators could be a big step toward a major goal in silicon photonics: enabling microprocessors to use light instead of electrical signals to communicate with transistors on a chip. The optical modulators were made at the University of Colorado at Boulder, MIT and Micron Technology Inc., and their creators say that they could allow for Moore’s law – the trajectory of exponential improvement in microprocessors that began nearly a half-century ago – to continue well into the future, allowing for increasingly faster electronics, from...Read full article

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    Published: December 2013
    Glossary
    optical modulator
    A multilayered thin-film device used to modulate transmitted light in integrated photonic circuits.
    transistor
    An electronic device consisting of a semiconductor material, generally germanium or silicon, and used for rectification, amplification and switching. Its mode of operation utilizes transmission across the junction of the donor electrons and holes.
    AmericasCMOSElectronics & Signal AnalysisfiberMaterials & ChemicalsMicron TechnologymicroprocessorMilos PopovicMITmulticoreoptical modulatorOpticsOptics LettersResearch & Technologysilicon photonicsSOI CMOSTech PulsetransistorUniversity of California BerkeleyUniversity of ColoradoWafersOptics & Optical Coatings

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