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Antireflection Spatiotemporal Metamaterials
In article number 2300130, Hao Hu, Lei Gao, Dongliang Gao, and colleagues propose a spatiotemporal metamaterial to fully suppress the reflection and realize frequency conversions. The spatiotemporal metamaterials with two dynamic interfaces are engineered simultaneously in space and time by the pump beams, which are obliquely incident onto the metamaterials...
Reflection occurs when light impinges on an interface between two distinct media. Suppression of the reflection is of paramount significance to practical applications in information transfer and conversion. While technologies such as the Brewster effect and material coatings are widely adopted to eliminate the wave reflection from purely spatial or temporal interfaces, how to eliminate the reflection...
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