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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Valev, Vk
University of Bath
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2019WS2 Nanotubes, 2D Nanomeshes, and 2D In-Plane Films Through One Single Chemical Vapor Deposition routecitations
- 2019Second harmonic spectroscopy of surface lattice resonancescitations
- 2014Ultrafast nonlinear response of gold gyroid three-dimensional metamaterialscitations
- 2014Layer-by-Layer synthesis and tunable optical properties of hybrid magnetic-plasmonic nanocomposites using short bifunctional molecular linkerscitations
- 2013Magneto-optical harmonic susceptometry of superparamagnetic materialscitations
- 2012Characterization of magnetization-induced second harmonic generation in iron oxide polymer nanocompositescitations
- 2011Si passivation for Ge pMOSFETscitations
- 2011Adsorption kinetics of ultrathin polymer films in the melt probed by dielectric spectroscopy and second-harmonic generationcitations
- 2011Preparing polymer films doped with magnetic nanoparticles by spin-coating and melt-processing can induce an in-plane magnetic anisotropycitations
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article
Ultrafast nonlinear response of gold gyroid three-dimensional metamaterials
Abstract
We explore the nonlinear optical response of 3D gyroidal metamaterials, which show >10-fold enhancements compared to all other metallic nanomaterials as well as bulk gold. A simple analytical model for this metamaterial response shows how the reflectivity spectrum scales with the metal fill fraction and the refractive index of the material that the metallic nanostructure is embedded in. The ultrafast response arising from the interconnected 3D nanostructure can be separated into electronic and lattice contributions with strong spectral dependences on the dielectric filling of the gyroids, which invert the sign of the nonlinear transient reflectivity changes. These metamaterials thus provide a wide variety of tuneable nonlinear optical properties, which can be utilised for frequency mixing, optical switching, phase modulators, novel emitters, and enhanced sensing. ; This is the author's accepted manuscript. The final version is available from APS in Physical Review Applied at http://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.2.044002#fulltext#fulltext.