Ultrathin silicon structures can tune mid-IR light in billionths of a second
Light in the mid-infrared (mid-IR) portion of the electromagnetic spectrum plays a key role in modern sensing. Because molecules interact with this kind of light in specific ways, researchers use technologies like mid-IR spectroscopy to identify biological materials, drugs and pollutants. Mid-IR light can also serve as a carrier of information in free-space optical communications, where data are…
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