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Publications associées (55)

Cloaking via anomalous localized resonance for doubly complementary media in the quasistatic regime

This paper is devoted to the study of cloaking via anomalous localized resonance (CALR) in the two- and three-dimensional quasistatic regimes. CALR associated with negative index materials was discovered by Milton and Nicorovici [21] for constant plasmonic ...

European Mathematical Soc2015

Parity-Time Symmetric Nonlocal Metamaterials for Focusing and Image Processing

Romain Christophe Rémy Fleury

Parity-Time (PT) symmetry refers to the invariance of a physical system upon reflection of space and time. An intriguing property of PT-symmetric quantum systems is the fact that they can have entirely real eigenvalue spectra, despite being non-Hermitian. ...

2015

Mid-infrared plasmonic biosensing with graphene

Hatice Altug, Dordaneh Etezadi, Daniel Rodrigo Lopez, Odeta Limaj

Infrared spectroscopy is the technique of choice for chemical identification of biomolecules through their vibrational fingerprints. However, infrared light interacts poorly with nanometric-size molecules. We exploit the unique electro-optical properties o ...

American Association for the Advancement of Science2015

Experimental determination of the permeability of engineering textiles: Benchmark II

Véronique Michaud, Eliazar Rodriguez Garcia, Suzanne Godelieve Alphonsine Verheyden, Benoît Louis

In this second international permeability benchmark, the in-plane permeability values of a carbon fabric were studied by twelve research groups worldwide. One participant also investigated the deformation of the tested carbon fabric. The aim of this work w ...

Elsevier2014

Negative Refraction and Planar Focusing Based on Parity-Time Symmetric Metasurfaces

Romain Christophe Rémy Fleury

We introduce a new mechanism to realize negative refraction and planar focusing using a pair of parity-time symmetric metasurfaces. In contrast to existing solutions that achieve these effects with negative-index metamaterials or phase conjugating surfaces ...

American Physical Society2014

Manipulation of electron flow using near-zero index semiconductor metamaterials

Romain Christophe Rémy Fleury

We study the possibility of controlling the propagation of ballistic electrons using an electronic metamaterial with zero quantum index of refraction. This is obtained by tailoring the band structure of a semiconductor superlattice to exhibit a Dirac cone ...

2014

Parity-Time-Symmetric Metasurfaces and Metamaterials

Romain Christophe Rémy Fleury

Metamaterials are artificially structured materials possessing exotic electromagnetic or acoustic properties that are not readily available in nature, for instance synthesizing negative, zero, or very large index of refraction. Their exotic features are ty ...

2014

Optimization of an acoustic leaky-wave antenna based on acoustic metamaterial

Hervé Lissek, Sami Driss Karkar, Seyyed Hussein Seyyed Esfahlani

In recent years, an increasing number of pioneering studies have been carried out in the field of acoustic metamaterials, following the path of electromagnetic metamaterials. These artificial engineered materials are designed in such a way so as to achieve ...

2013

Highly inorganic titania based sol–gel as directly patternable resist for micro- and nano- structured surfaces

Jürgen Brugger, Vaida Auzelyte, Agnese Virginia Savegnago

Highly inorganic sol–gel films and patterned surfaces with up to 90% of titania were obtained by hydrolysis and condensation of Titanium(IV) isopropoxide. As a consequence of titania photocatalytic effect, the further treatment of the nanoimprint patterned ...

Elsevier2012

Nanoparticle-Based Metamaterials as Multiband Plasmonic Resonator Antennas

Hatice Altug, Arif Engin Cetin, Serap Aksu

Plasmonic metamaterials based on metal-dielectric nanostructures exhibit unique optical properties such as high near-field enhancement, negative refractive indexing, and optical cloaking. In this paper, we present a plasmonic multiband metamaterial based o ...

2012

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