Search Results - "Degiron, Aloyse"

Electrically driven optical metamaterials by Le-Van, Quynh, Le Roux, Xavier, Aassime, Abdelhanin, Degiron, Aloyse

“…The advent of metamaterials more than 15 years ago has offered extraordinary new ways of manipulating electromagnetic waves. Yet, progress in this field has…”
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Shaping the spontaneous emission of extended incoherent sources into composite radial vector beams by Schanne, Domitille, Suffit, Stéphan, Filloux, Pascal, Lhuillier, Emmanuel, Degiron, Aloyse

“…It is well known that concentric diffraction gratings are capable of beaming the spontaneous emission of large extended incoherent light sources (e.g., hot…”
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Nonlinear spin-orbit coupling in optical thin films by de Ceglia, Domenico, Coudrat, Laure, Roland, Iännis, Vincenti, Maria Antonietta, Scalora, Michael, Tanos, Rana, Claudon, Julien, Gérard, Jean-Michel, Degiron, Aloyse, Leo, Giuseppe, De Angelis, Costantino

“…Tunable generation of vortex beams holds relevance in various fields, including communications and sensing. In this paper, we demonstrate the feasibility of…”
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High permittivity processed SrTiO3 for metamaterials applications at terahertz frequencies by Dupas, Cyrielle, Guillemet-Fritsch, Sophie, Geffroy, Pierre-Marie, Chartier, Thierry, Baillergeau, Matthieu, Mangeney, Juliette, Roux, Jean-François, Ganne, Jean-Pierre, Marcellin, Simon, Degiron, Aloyse, Akmansoy, Éric

“…High permittivity SrTiO 3 for the realization of all-dielectric metamaterials operating at terahertz frequencies was fabricated. A comparison of different…”
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Spin-to-orbital angular momentum transfer by second harmonic generation in thin dielectric films by de Ceglia, Domenico, Coudrat, Laure, Vincenti, Maria Antonietta, Scalora, Michael, Tanos, Rana, Claudon, Julien, Gérard, Jean-Michel, Degiron, Aloyse, Leo, Giuseppe, De Angelis, Costantino

“…We demonstrate spin-to-orbital angular momentum transfer in the bulk of nonlinear optical materials with a crystal symmetry that couples the longitudinal…”
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Switching using PT symmetry in plasmonic systems: positive role of the losses by Lupu, Anatole, Benisty, Henri, Degiron, Aloyse

“…We analyze the operation of 2 × 2 switches composed of two coupled waveguides operating on the basis of parity-time (PT) symmetry: the two waveguides differ…”
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Anomalous Absorption in Arrays of Metallic Nanoparticles: A Powerful Tool for Quantum Dot Optoelectronics by Caillas, Augustin, Suffit, Stéphan, Filloux, Pascal, Lhuillier, Emmanuel, Degiron, Aloyse

“…Periodic arrays of noble metal nanoparticles are emblematic nanostructures in photonics. Their ability to sustain localized surface plasmon resonances has been…”
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Identification of Two Regimes of Carrier Thermalization in PbS Nanocrystal Assemblies by Caillas, Augustin, Suffit, Stéphan, Filloux, Pascal, Lhuillier, Emmanuel, Degiron, Aloyse

“…We bring fresh insight into the ensemble properties of PbS colloidal quantum dots with a critical review of the literature on semiconductors followed by…”
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Distance-Dependent Plasmon Resonant Coupling between a Gold Nanoparticle and Gold Film by Mock, Jack J, Hill, Ryan T, Degiron, Aloyse, Zauscher, Stefan, Chilkoti, Ashutosh, Smith, David R

“…We present an experimental analysis of the plasmonic scattering properties of gold nanoparticles controllably placed nanometers away from a gold metal film. We…”
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Negative index material composed of electric and magnetic resonators by Liu, Ruopeng, Degiron, Aloyse, Mock, Jack J., Smith, David R.

“…Negative index-of-refraction materials (NIMs) require both the electric permittivity and the magnetic permeability of the material to be negative. Most…”
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Bright CdSe/CdS Quantum Dot Light-Emitting Diodes with Modulated Carrier Dynamics via the Local Kirchhoff Law by Wang, Hongyue, Guo, Yangyang, Hao, Hongxing, Bian, Hongtao, Aubin, Herve, Wei, Yang, Li, Huixin, Liu, Taihong, Degiron, Aloyse, Wang, Hongqiang

“…Addressing the interactions between optical antennas and ensembles of emitters is particularly challenging. Charge transfer and Coulomb interactions complicate…”
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Modeling Active Dipolar Media in Photonics and Optoelectronics with the Finite Element Method by Ben Chaabane, Faten, Lopez, Thomas, Pradere, Laetitia, Dagens, Béatrice, Degiron, Aloyse

“…We introduce a simple and efficient numerical method to model the nonlinear response of active dipolar media in arbitrary photonic environments in the harmonic…”
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Using optical PT-symmetry for switching applications by Lupu, Anatole, Benisty, Henri, Degiron, Aloyse

“…•This work introduces a new class of PT-symmetry grating assisted devices for switching or modulation applications. Their operation is based on a four-wave…”
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Observation of Quasi-Invariant Photocarrier Lifetimes in PbS Nanocrystal Assemblies Coupled to Resonant and Nonresonant Arrays of Optical Antennas by He, Puyuan, Caillas, Augustin, Boulliard, Guillaume, Hamdi, Ismail, Filloux, Pascal, Ravaro, Marco, Lhuillier, Emmanuel, Degiron, Aloyse

“…We examine, in the time domain, the influence of Au antenna arrays (i.e., metasurfaces) on thin films of near-infrared PbS nanocrystals that mutually interact…”
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Electroluminescence and Plasmon-Assisted Directional Photoluminescence from 2D HgTe Nanoplatelets by Dabard, Corentin, Bossavit, Erwan, Dang, Tung Huu, Ledos, Nicolas, Cavallo, Mariarosa, Khalili, Adrien, Zhang, Huichen, Alchaar, Rodolphe, Patriarche, Gilles, Vasanelli, Angela, Diroll, Benjamin T., Degiron, Aloyse, Lhuillier, Emmanuel, Ithurria, Sandrine

“…In the visible range, 2D nanoplatelets (NPLs) have brought significant benefits compared to their 0D counterpart with an inherently anisotropic emission, a…”
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Efficient finite element resolution of gyromagnetic and gyroelectric nonreciprocal electromagnetic problems by Degiron, Aloyse, Vanwolleghem, Mathias, Smith, David R

“…We present a rigorous derivation of the weak-form formulation of the Helmholtz equation for electromagnetic structures incorporating general nonreciprocal,…”
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Implementation of PT symmetric devices using plasmonics: principle and applications by Benisty, Henri, Degiron, Aloyse, Lupu, Anatole, De Lustrac, André, Chénais, Sébastien, Forget, Sébastien, Besbes, Mondher, Barbillon, Grégory, Bruyant, Aurélien, Blaize, Sylvain, Lérondel, Gilles

“…The so-called PT symmetric devices, which feature ε((-x)) = ε((x))* associated with parity-time symmetry, incorporate both gain and loss and can present a…”
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Shaping the Infrared luminescence of Colloidal Nanocrystals Using a Dielectric Microcavity by Bossavit, Erwan, Zhang, Huichen, Ledos, Nicolas, Cavallo, Mariarosa, Mastrippolito, Dario, Curti, Leonardo, Khalili, Adrien, Colle, Albin, Lample, Pierrick, Weis, Mateusz, Margaillan, Florent, Lafosse, Xavier, Prado, Yoann, Péronne, Emmanuel, Pierucci, Debora, Ithurria, Sandrine, Boschetto, Davide, Diroll, Benjamin T., Degiron, Aloyse, Lhuillier, Emmanuel

“…As they have gained maturity, colloidal nanocrystals (NCs) have also expand the spectral range over of which they could be used for photonic and optoelectronic…”
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Healing Near-PT-Symmetric Structures to Restore Their Characteristic Singularities: Analysis and Examples by Benisty, Henri, Yan, Chen, Degiron, Aloyse, Lupu, Anatole

“…PT-symmetric structures, such as a pair of coupled waveguides with balanced loss/gain, exhibit a singularity of their eigenvalues around an exceptional point,…”
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Modulating and tuning the response of metamaterials at the unit cell level by Degiron, Aloyse, Mock, Jack J, Smith, David R

“…We perform a series of simulations and experiments at microwave frequencies where we dynamically alter the magnetic resonance of one individual split ring…”
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