| 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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Boroviks, Sergejs
École Polytechnique Fédérale de Lausanne
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023Photon superbunching in cathodoluminescence of excitons in WS 2 monolayercitations
- 2023Photon superbunching in cathodoluminescence of excitons in WS2 monolayercitations
- 2023Photon superbunching in cathodoluminescence of excitons in WS2 monolayercitations
- 2022Extremely confined gap plasmon modescitations
- 2022Extremely confined gap plasmon modes:when nonlocality matterscitations
- 2022Low-loss anisotropic image polaritons in van der waals crystal α-MoO 3citations
- 2021Anisotropic second-harmonic generation from monocrystalline gold flakescitations
- 2021Anisotropic second-harmonic generation from monocrystalline gold flakescitations
- 2020Linear and Nonlinear Plasmonics with Monocrystalline Gold Flakes
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article
Anisotropic second-harmonic generation from monocrystalline gold flakes
Abstract
Noble metals with well-defined crystallographic orientation constitute an appealing class of materials for controlling light–matter interactions on the nanoscale. Nonlinear optical processes, being particularly sensitive to anisotropy, are a natural and versatile probe of crystallinity in nano-optical devices. Here we study the nonlinear optical response of monocrystalline gold flakes, revealing a polarization dependence in second-harmonic generation from the {111} surface that is markedly absent in polycrystalline films. Our findings confirm that second-harmonic microscopy is a robust and non-destructive method for probing the crystallographic orientation of gold, and can serve as a guideline for enhancing nonlinear response in plasmonic systems.