| 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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Jepsen, Peter Uhd
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (46/46 displayed)
- 2024Mapping nanoscale carrier confinement in polycrystalline graphene by terahertz spectroscopycitations
- 2023Terahertz Cross-Correlation Spectroscopy and Imaging of Large-Area Graphenecitations
- 2023Probing Carrier Dynamics in Large-Scale MBE-Grown PtSe2 Films by Terahertz Spectroscopycitations
- 2022Resonant Laser Printing of Optical Metasurfacescitations
- 2020Production and processing of graphene and related materials
- 2020Production and processing of graphene and related materialscitations
- 2020Fermi velocity renormalization in graphene probed by terahertz time-domain spectroscopycitations
- 2018Conductivity mapping of graphene on polymeric films by terahertz time-domain spectroscopycitations
- 2017Sputtering an exterior metal coating on copper enclosure for large-scale growth of single-crystalline graphene:Papercitations
- 2017Nonlinear optical response of chalcogenide glassy semiconductors in the IR and THz ranges studied with the femtosecond resolution in time
- 2017Sputtering an exterior metal coating on copper enclosure for large-scale growth of single-crystalline graphenecitations
- 2016Broadband terahertz spectroscopy of chalcogenide glass As30Se30Te40
- 2016Time-resolved terahertz spectroscopy of charge carrier dynamics in the chalcogenide glass As30Se30Te40 [Invited]citations
- 2015Dielectric tube waveguides with absorptive cladding for broadband, low-dispersion and low loss THz guidingcitations
- 2015Ultrabroadband terahertz conductivity of highly doped ZnO and ITOcitations
- 2015Nitrogen plasma formation through terahertz-induced ultrafast electron field emissioncitations
- 2015Terahertz wafer-scale mobility mapping of graphene on insulating substrates without a gatecitations
- 2014Linear and nonlinear properties of chalcogenide glasses in the terahertz frequency
- 2014THz waveguides, devices and hybrid polymer-chalcogenide photonic crystal fibers
- 2014Metamaterial composite bandpass filter with an ultra-broadband rejection bandwidth of up to 240 terahertzcitations
- 2014THz Waveguides, Devices and Hybrid Polymer-chalcogenidePhotonic Crystal Fibers
- 2013On ultrafast photoconductivity dynamics and crystallinity of black siliconcitations
- 2013Terahertz-induced Kerr effect in amorphous chalcogenide glassescitations
- 2013Fabrication and characterization of transparent metallic electrodes in the terahertz domain
- 2013Fabrication and characterization of transparent metallic electrodes in the terahertz domain
- 2012Metamaterials modelling, fabrication, and characterisation techniques
- 2012Metamaterials modelling, fabrication, and characterisation techniques
- 2012Ultrabroadband terahertz spectroscopy of chalcogenide glassescitations
- 2012Metamaterials modelling, fabrication and characterisation techniques
- 2012Metamaterials modelling, fabrication and characterisation techniques
- 2011Effect of copper on the carrier lifetime in black siliconcitations
- 2011Effects of copper on the carrier dynamics in black silicon
- 2011Ultrabroadband THz spectroscopy of disordered materials
- 2010Terahertz reflection spectroscopy of aqueous NaCl and LiCl solutionscitations
- 2010Broadband polymer microstructured THz fiber coupler with downdoped cores
- 2010Time-resolved terahertz spectroscopy of black silicon:[invited]
- 2010Time-resolved terahertz spectroscopy of black silicon
- 2010Polymer microstructured fibers for guiding of THz radiation:[invited]
- 2010Polymer microstructured fibers for guiding of THz radiation
- 2009Broadband THz waveguiding and high-precision broadband time-resolved spectroscopy
- 2009Novel concepts for terahertz waveguide spectroscopy
- 2009Broadband THz waveguiding and high-precision broadband time-resolved spectroscopy:[invited]
- 2009Novel concepts for terahertz waveguide spectroscopy:[invited]
- 2006Role of dynamical screening in excitation kinetics of biased quantum wells: Nonlinear absorption and ultrabroadband terahertz emissioncitations
- 2004Ultrafast polarization dynamics in optically excited biased quantum wells
- 2001Fundamental and second-order phonon processes in CdTe and ZnTecitations
Places of action
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article
Resonant Laser Printing of Optical Metasurfaces
Abstract
<p>One of the challenges for metasurface research is upscaling. The conventional methods for fabrication of metasurfaces, such as electron-beam or focused ion beam lithography, are not scalable. The use of ultraviolet steppers or nanoimprinting still requires large-size masks or stamps, which are costly and challenging in further handling. This work demonstrates a cost-effective and lithography-free method for printing optical metasurfaces. It is based on resonant absorption of laser light in an optical cavity formed by a multilayer structure of ultrathin metal and dielectric coatings. A nearly perfect light absorption is obtained via interferometric control of absorption and operating around a critical coupling condition. Controlled by the laser power, the surface undergoes a structural transition from random, semiperiodic, and periodic to amorphous patterns with nanoscale precision. The reliability, upscaling, and subwavelength resolution of this approach are demonstrated by realizing metasurfaces for structural colors, optical holograms, and diffractive optical elements.</p>