| 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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Willatzen, Morten
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Topics
Publications (17/17 displayed)
- 2022On chain models for contact electrificationcitations
- 2021Piezoelectric tunability and topological insulator transition in a GaN/InN/GaN quantum-well devicecitations
- 2020Strain-engineered widely tunable perfect absorption angle in black phosphorus from first principlescitations
- 2017Acousto-optical phonon excitation in cubic piezoelectric slabs and crystal growth orientation effectscitations
- 2017Acousto-optical phonon excitation in cubic piezoelectric slabs and crystal growth orientation effectscitations
- 2017Pseudocanalization regime for magnetic dark-field hyperlensescitations
- 2015Tunable Broadband Acoustic Gain in Piezoelectric Semiconductors at ε-Near-Zero Responsecitations
- 2013Metadevices for the confinement of sound and broadband double-negativity behavior:Physical Review Bcitations
- 2013Metadevices for the confinement of sound and broadband double-negativity behaviorcitations
- 2013An electromechanical model for a dielectric electroactive polymer generatorcitations
- 2013An Electromechanical Model of a Dielectric ElectroActive Polymer Generatorcitations
- 2013An Electromechanical Model of a Dielectric ElectroActive Polymer Generatorcitations
- 2012Multilayer piezoelectric transducer models combined with Field IIcitations
- 2010Analysis of optical properties of strained semiconductor quantum dots for electromagnetically induced transparency
- 2010Analysis of optical properties of strained semiconductor quantum dots for electromagnetically induced transparency
- 2010Investigations of scattering and field enhancement effects in retardation-based plasmonic nanoantennas
- 2009Parameter sensitivity study of a Field II multilayer transducer model on a convex transducercitations
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document
Investigations of scattering and field enhancement effects in retardation-based plasmonic nanoantennas
Abstract
Modifications in scattering strength of and local field enhancement by retardation-based plasmonic nanoantennas when being transformed from straight nanorods to split-rings are investigated. The scattering properties are monitored by linear reflection and extinction spectroscopy whereas local field enhancement is estimated from measurements on individual nanoantennas by nonlinear scanning optical microscopy in which two-photon-excited photoluminescence (TPL) is detected. The linear and nonlinear optical characterizations reveal, that the optical response of nanoantennas is dominated by constructively interfering short-range surface plasmon polaritons (SR-SPP) and that the transformation of straight nanorods into split-rings by bending significantly influences the scattering strength. Importantly, strong suppression of scattering for the fundamental SR-SPP mode is observed when the bend radius is decreased, a feature that we attribute to the decrease in the nanoantenna electric-dipole response in tact with its bending. The experimental observations are corroborated with numerical simulations using the finite-element method.<br/>