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Metamaterial Waveguide Confirms Theoretical Prediction

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ATLANTA, June 16, 2015 — A metamaterial waveguide has demonstrated opposite refractive indices at the fundamental and harmonic frequencies of light, confirming for the first time a decade-old theoretical prediction. The experimental verification of backward phase matching – a phenomenon also known as the "nonlinear mirror" – may have few immediate practical applications, according to the Georgia Institute of Technology team that created the waveguide. But it is a milestone that could also lead to new areas of study, they said. "Nonlinear optics is critically important to controlling light for...Read full article

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