206 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR80 papers
- Lyon 1 UniversitéFR66 papers
- École Centrale de LyonFR59 papers
- Institut National des Sciences Appliquées de LyonFR52 papers
- École d'Ingénieurs en Chimie et Sciences du NumériqueFR26 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR19 papers
- Université de LyonFR18 papers
- Institut Lumière MatièreFR17 papers
- Institut Universitaire de FranceFR16 papers
- CEA GrenobleFR13 papers
- Université Grenoble AlpesFR13 papers
- Laboratoire d'Électronique des Technologies de l'InformationFR11 papers
43 papers · 1 filter
Design and Optimization of Metasurfaces for Silicon Photonics: PhD Thesis
Mathys Le Grand
Metasurfaces, two-dimensional arrangements of subwavelength nanopillars, provide local control over the phase of light, enabling flat optical functions beyond conventional refracti…
Supercontinuum generation in 2D graphene oxide film coated SiN waveguides
David J. Moss
Enhanced supercontinuum generation (SCG) is experimentally demonstrated in integrated silicon nitride (Si3N4) waveguides incorporating highly nonlinear graphene oxide (GO) in the f…
Diffusion Schrödinger Bridges with enhanced posterior sampling for metasurface inverse design
Mathys Le Grand, Pascal Urard, Denis Rideau +5
Metasurface inverse design is challenged by the intricate relationship between structural parameters and electromagnetic responses, as well as the high dimensionality of the optimi…
Enhanced selfphase modulation in silicon nitride waveguides with integrated 2D MoS2 films
Shahaz S. Hameed, Di Jin, Aihao Zhao +9
On-chip integration of 2D materials provides a promising route towards next-generation integrated optical devices with performance beyond existing limits. Here, significantly enhan…
Enhanced posterior sampling via diffusion models for efficient metasurfaces inverse design
Mathys Le Grand, Pascal Urard, Denis Rideau +5
The inverse design of metasurfaces faces inherent challenges due to the nonlinear and highly complex relationship between geometric configurations and their electromagnetic behavio…
Spatially-Controlled Planar Guided Crystallization of Low-Loss Phase Change Materials for Programmable Photonics
Fouad Bentata, Arnaud Taute, Capucine Laprais +14
Photonic integrated devices are progressively evolving beyond passive components into fully programmable systems, notably driven by the progress in chalcogenide phase-change materi…
Micrometer-resolution fluorescence and lifetime mappings of CsPbBr nanocrystal films coupled with a TiO grating
Viet Anh Nguyen, Linh Thi Dieu Nguyen, Thi Thu Ha Do +15
Enhancing light emission from perovskite nanocrystal (NC) films is essential in light-emitting devices, as their conventional stacks often restrict the escape of emitted light. Thi…
An Ultra-low-loss Compact Phase-Change Material-based Hybrid-mode Interferometer for Photonic Memories
Ranjeet Dwivedi, Fabio Pavanello, Regis Orobtchouk
We propose a novel hybrid mode interferometer (HMI) leveraging the interference of hybridized TE-TM modes in a silicon-on-insulator (SOI) waveguide integrated with a GeSe phase cha…
Graphene oxide for high performance nonlinear optics in integrated nanowires
David J. Moss
We report enhanced nonlinear optics in integrated nanophotonic chips through the use of integrated with 2D graphene oxide (GO) films. We investigate nanophotonic platforms includin…
Graphene oxide two dimensional films for thermo-optic photonic integrated devices
David J. Moss
Efficient heat management and control in optical devices, facilitated by advanced thermo-optic materials, is critical for many applications such as photovoltaics, thermal emitters,…
Waveguide optical parametric amplifiers in silicon nitride with 2D graphene oxide films
Yang Qu, Jiayang Wu, Yuning Zhang +10
Optical parametric amplification (OPA) represents a powerful solution to achieve broadband amplification in wavelength ranges beyond the scope of conventional gain media, for gener…
Femtosecond laser induced creation of G and W-centers in silicon-on-insulator substrates
Hugo Quard, Mario Khoury, Andong Wang +9
The creation of fluorescent defects in silicon is a key stepping stone towards assuring the integration perspectives of quantum photonic devices into existing technologies. Here we…
Control of light emission of quantum emitters coupled to silicon nanoantenna using cylindrical vector beams
Martin Montagnac, Yoann Brûlé, Aurélien Cuche +11
Light emission of europium (Eu3+) ions placed in the vicinity of optically resonant nanoantennas is usually controlled by tailoring the local density of photon states (LDOS). We sh…
Reconfigurable quantum fluid molecules of bound states in the continuum
Antonio Gianfrate, Helgi Sigurdsson, Vincenzo Ardizzone +10
Topological bound states in the continuum are confined wave-mechanical objects that offer advantageous ways to enhance light-matter interactions in compact photonic devices. In par…
Taming Friedrich-Wintgen interference in resonant metasurface: vortex laser emitting at on-demand tilted-angle
Raphael Mermet-Lyaudoz, Clémentine Symond, Florian Berry +7
Friedrich-Wintgen (FW) interference is an atypical coupling mechanism that grants loss exchange between leaky resonances in non-Hermitian classical and quantum systems. Intriguingl…
Photo-thermal tuning of graphene oxide coated integrated optical waveguides
David J. Moss
We experimentally investigate power sensitive photothermal tuning (PTT) of two dimensional (2D) graphene oxide (GO) films coated on integrated optical waveguides. We measure the li…
Enhanced self-phase modulation in silicon nitride waveguides integrated with 2D graphene oxide films
Yuning Zhang, Jiayang Wu, Yunyi Yang +9
We experimentally demonstrate enhanced self-phase modulation (SPM) in silicon nitride (Si3N4) waveguides integrated with 2D graphene oxide (GO) films. GO films are integrated onto…
Analytical non-Hermitian description of Photonic Crystals with arbitrary Lateral and Transverse symmetry
X. Letartre, S. Mazauric, S. Cueff +3
In this work we propose a general theoretical approach to the modelling of complex dispersion characteristics of leaky optical modes operating in photonic crystal slab composed of…
Unveiling the Enhancement of Spontaneous Emission at Exceptional Points
Lydie Ferrier, Paul Bouteyre, Adi Pick +10
Exceptional points (EPs), singularities of non-Hermitian physics where complex spectral resonances degenerate, are one of the most exotic features of nonequilibrium open systems wi…
Topological Lasing from Thouless Pumping in Bilayer Photonic Crystal
D. -H. -Minh Nguyen, Dung Xuan Nguyen, Hai-Chau Nguyen +5
Topological lasing leverages concepts from topological physics to achieve single-mode light amplification within topological bandgaps, offering robustness against fabrication imper…
Realization of room temperature polaritonic vortex in momentum space with hybrid Perovskite metasurface
Nguyen Ha My Dang, Simone Zanotti, Céline Chevalier +9
Exciton-polaritons are mixed light-matter excitations that result from the strong coupling regime between an active excitonic material and photonic resonances. Harnessing these hyb…
Polariton Bose-Einstein condensate from a Bound State in the Continuum
V. Ardizzone, F. Riminucci, S. Zanotti +13
Optical bound states in the continuum (BIC) are peculiar topological states that, when realized in a planar photonic crystal lattice, are symmetry-protected from radiating in the f…
Magic configurations in Moiré Superlattice of Bilayer Photonic crystal: Almost-Perfect Flatbands and Unconventional Localization
Dung Xuan Nguyen, Xavier Letartre, Emmanuel Drouard +3
We investigate the physics of photonic band structures of the moiré patterns that emerged when overlapping two uni-dimensional (1D) photonic crystal slabs with mismatched periods.…
Reconfigurable Flat Optics with Programmable Reflection Amplitude Using Lithography-Free Phase-Change Materials Ultra Thin Films
Sebastien Cueff, Arnaud Taute, Antoine Bourgade +6
We experimentally demonstrate a very large dynamic optical reflection modulation from a simple unpatterned layered stack of phase-change materials ultrathin films. Specifically, we…