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Optics and photonics

Optics and photonics

Topological effect creates unidirectional photonic device

24 Apr 2020
Pillars of light
Pillars of light: Scanning electron microscope image of the device. (Courtesy: Xuefan Yin et al/Nature)
A photonic device that radiates light only in one direction has been created by researchers in China

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Tim Wogan is a science writer based in the US
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