Presentation
24 August 2020 Exotic effects in nanomechanical metamaterials
Author Affiliations +
Abstract
The nanomechanical metamaterials offer the possibilities of manipulating exotic electromagnetic properties on demand. Such metamaterial exhibit profound electro-optical, magneto-optical and acousto-optical switching and modulation, optical nonlinearity for modulating light with light, asymmetric transmission, and tunable chirality. The electromagnetic properties of nanomechanical metamaterial structure strongly depend on the spatial arrangement of its building blocks. By constructing metamaterials on elastically deformable scaffolds we can dynamically control the nanoscale spacing among constituent elements across the entire metamaterial array with external stimuli. Based on this approach, we use electrostatic, Lorentz, near field optical forces and sound to drive high-contrast, high-speed active tuning, modulation and switching of photonic metamaterial properties and to deliver exotic electromagnetic properties. We also report a novel approach to the visualization of nanoscale movements of picometre scale Brownian and stimulation movements of the individual building blocks of these functional metamaterials.
Conference Presentation
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Jun-Yu Ou, Dimitrios Papas, Jinxiang Li, Tongjun Liu, Qiang Zhang, Davide Piccinotti, Eric Plum, Kevin F. MacDonald, and Nikolay I. Zheludev "Exotic effects in nanomechanical metamaterials", Proc. SPIE 11460, Metamaterials, Metadevices, and Metasystems 2020, 114600Z (24 August 2020); https://doi.org/10.1117/12.2569303
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KEYWORDS
Metamaterials

Electromagnetism

Modulation

Switching

Active optics

Electro optics

Magneto-optics

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