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Melody Encoded onto Plasmonic Nanostructure

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CHAMPAIGN, Ill., March 17, 2015 — With data storage capacity 5600 times greater than magnetic film, a chip made of tiny gold bow ties could be the next best place to store all your MP3s. Researchers from the University of Illinois at Urbana-Champaign recently created the first-ever optically encoded audio recording using a plasmonic nanostructure. Using the device as a “nano piano,” they were able to input and then play back the melody of “Twinkle, Twinkle, Little Star.” The device is made of an array of 250-nm gold bow tie nanoantennas supported on 500-nm-tall SiO2 posts. The researchers...Read full article

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