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Fully Tunable Method Strengthens Electron-triggered Light Emission

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A wavelength of visible light is about 1000 times larger than an electron. Because of the difference in scale, the interactions between photons and electrons are inherently weak. MIT researchers have found that photonic flatbands can overcome the dimensionality mismatch between photons and electrons and significantly strengthen light-electron interactions. Their experimental results support the use of flatbands as test beds for developing strong light-electron interactions and efficient, compact, free-electron light sources. The underlying principle of flatbands involves the...Read full article

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    Published: January 2023
    Glossary
    photoelectron
    Electron released in photoelectric activity.
    electro-optics
    1. The branch of physics that deals with the use of electrical energy to create or manipulate light waves, generally by changing the refractive index of a light-propagating material; 2. Collectively, the devices used to affect the intersection of electrical energy and light. Compare with optoelectronics.
    Research & TechnologyeducationAmericasMITphotoelectronlight-matter interactionLight SourcesDiscoveryX- raylight propertiesflatbandselectro-opticsTechnology News

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