This frozen fiber makes light and sound interact 1,000x more strongly
SMRTR summary
Researchers from several German institutions have created a new type of optical fiber by freezing its liquid core with nitrogen at -196°C. This frozen fiber can still carry light while also guiding sound waves, and it makes light and sound interact over 1,000 times more strongly than standard fibers. That powerful interaction enables highly efficient optoacoustic memory, which could lead to faster, lower-energy photonic computing and advances in quantum technology.
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