Incredible: Researchers trap light in a nanocavity for nanoseconds

June 16, 2014 9:47 PM

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Researchers at the University of Rochester have built a silicon nanocavity — a nanostructured region of a silicon wafer — that traps light ten times longer than other similarly-sized optical cavities.

The researchers reveal that they have trapped light in a nanocavity for nanoseconds. Normally light would move several meters in that time, but instead the nanostructure trapped light in a region no larger than one one hundredth the width of a human hair.

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