Metamaterial-Induced Transparency: Sharp Fano Resonances and Slow Light

Nikitas Papasimakis and Nikolay I. Zheludev

Inspired by the study of atomic resonances, researchers have developed a new type of metamaterial. Their work paves the way toward compact delay lines and slow-light devices.



Metamaterials—crystalline-like sub-wavelength arrangements of electromagnetic resonators—can exhibit exotic optical properties, such as negative refraction and cloaking, most of which have no counterpart in natural media. Metamaterial structures could one day be used to develop a wide variety of devices with enhanced and unusual functions, ranging from super-lenses to electromagnetic cloaks. Metamaterials are also expected to play a key role in the development of all-optical data processing chips.

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