| People | Locations | Statistics |
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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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Zayats, Anatoly V.
King's College London
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Ultrafast hot-carrier dynamics in ultrathin monocrystalline goldcitations
- 2024Ultrafast hot-carrier dynamics in ultrathin monocrystalline goldcitations
- 2021Mode Engineering in Large Arrays of Coupled Plasmonic–Dielectric Nanoantennascitations
- 2021Ultrafast Carrier and Lattice Dynamics in Plasmonic Nanocrystalline Copper Sulfide Filmscitations
- 2019Anisotropic Plasmonic CuS Nanocrystals as a Natural Electronic Material with Hyperbolic Optical Dispersioncitations
- 2019Anisotropic Plasmonic CuS Nanocrystals as a Natural Electronic Material with Hyperbolic Optical Dispersioncitations
- 2019Improving propagation lengths of ultraviolet surface plasmon polaritons on thin aluminium films by ion millingcitations
- 2018DNA-Assembled Plasmonic Waveguides for Nanoscale Light Propagation to a Fluorescent Nanodiamondcitations
- 2017Spontaneous Emission in Nonlocal Metamaterials with Spatial Dispersioncitations
- 2017Geometry Defines Ultrafast Hot‐Carrier Dynamics and Kerr Nonlinearity in Plasmonic Metamaterial Waveguides and Cavitiescitations
- 2017Self-Assembled Silver–Germanium Nanolayer Metamaterial with the Enhanced Nonlinear Responsecitations
- 2016Repulsion of polarised particles from anisotropic materials with a near-zero permittivity componentcitations
- 2015Levitating forces on polarized particles near anisotropic metamaterials
- 2015Electromigration Phenomena in Sintered Nanoparticle Ag Systems Under High Current Density
- 2015Optimizing Strontium Ruthenate Thin Films for Near-Infrared Plasmonic Applicationscitations
- 2013Self-Induced Torque in Hyperbolic Metamaterialscitations
- 2011Hybrid FIB milling strategy for the fabrication of plasmonic nanostructures on semiconductor substratescitations
- 2010Poling-assisted fabrication of plasmonic nanocomposite devices in glasscitations
Places of action
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article
Geometry Defines Ultrafast Hot‐Carrier Dynamics and Kerr Nonlinearity in Plasmonic Metamaterial Waveguides and Cavities
Abstract
Hot carrier dynamics in plasmonic nanorod metamaterials and its influence on the metamaterial's optical Kerr nonlinearity is studied. The electron temperature distribution induced by an optical pump in the metallic component of the plasmonic metamaterial leads to geometry-dependent variations of the optical response and its dynamics as observed in both the transmission and reflection properties of the metamaterial slab. Thus, the ultrafast dynamics of a metamaterial's optical response can be controlled via modal engineering. Both the transient response relaxation time and magnitude of the nonlinearity are shown to depend on the modal-induced spatial profile of the electron temperature distribution and the hot-electron diffusion in nanorods. The nonlocal effects, depending on the excitation-induced losses in the metal, are shown to dictate the modal structure of the metamaterial slab and the associated dynamics of its nonlinear response. The opportunity of controlling the electron temperature profile induced in the plasmonic nanorods by changing the metamaterial's geometry and/or excitation conditions paves the way to achieve controllable dynamics of the nonlinear optical response for free-space as well as integrated nanophotonic applications involving nonequilibrium electrons.