130 citations · 454 across the 22 of their papers we have counts for
22 papers
How many supercells are required to achieve unconventional light confinement effects in moiré photonic lattices?
Chirine Saadi, Hai Son Nguyen, Sébastien Cueff +3
Moiré structures are receiving increasing attention in nanophotonics as they support intriguing optical phenomena. In the so-called "magic configuration", one-dimensional moirés gi…
A simple method for programming and analyzing multilevel crystallization states in phase-change materials thin film
Arnaud Taute, Sadek Al-Jibouri, Capucine Laprais +8
We propose and demonstrate a simple method to accurately monitor and program arbitrary states of partial crystallization in phase-change materials (PCMs). The method relies both on…
NEUROPULS: NEUROmorphic energy-efficient secure accelerators based on Phase change materials aUgmented siLicon photonicS
Fabio Pavanello, Cedric Marchand, Ian O'Connor +34
This special session paper introduces the Horizon Europe NEUROPULS project, which targets the development of secure and energy-efficient RISC-V interfaced neuromorphic accelerators…
Design of a room-temperature topological exciton-polariton laser in a ZnO/TiO-photonic crystal slab
I. Septembre, C. Leblanc, L. Hermet +4
We propose theoretically a scheme to get a room-temperature 2D topological exciton-polariton laser with propagating topological lasing modes. The structure uses guided modes in a p…
Band Inversion Flips the Winding of Bound States in the Continuum
Paul Bouteyre, Dung Xuan Nguyen, Loïc Malgrey +10
Bound states in the continuum (BICs) in photonic slabs and metasurfaces appear as polarization singularities in momentum space, characterized by an integer winding number. This win…
Ultimate Phase Sensitivity in Surface Plasmon Resonance Sensors by Tuning Critical Coupling with Phase Change Materials
Lotfi Berguiga, Lydie Ferrier, Cécile Jamois +3
Plasmonic sensing is an established technology for real-time biomedical diagnostics and air-quality monitoring. While intensity and wavelength tracking are the most commonly used i…
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…
InAs quantum dot in a needlelike tapered InP nanowire: a telecom band single photon source monolithically grown on silicon
Ali Jaffal, Walid Redjem, Philippe Regreny +8
Realizing single photon sources emitting in the telecom band on silicon substrates is essential to reach complementary-metal-oxide-semiconductor (CMOS) compatible devices that secu…
Unified Weak-to-Strong Coupling Transitions and Radiation Interference Induced by Vertical-Symmetry Breaking in Photonic Crystal Slabs
Huy Hoang Chu, Raphael Mermet-Lyaudoz, Florian Dubois +10
Vertical-symmetry breaking provides a versatile means of coupling leaky photonic-crystal resonances that are otherwise protected by opposite out-of-plane parity. Here, we develop a…
Super Bound States in the Continuum on Photonic Flatbands: Concept, Experimental Realization, and Optical Trapping Demonstration
Ngoc Duc Le, Paul Bouteyre, Ali Kheir-Aldine +7
In this work, we theoretically propose and experimentally demonstrate the formation of a super bound state in a continuum (BIC) on a photonic crystal flat band. This unique state s…
Tailoring the Local Density of Optical States and directionality of light emission by symmetry-breaking
Sébastien Cueff, Matthew Shao Ran Huang, Dongfang Li +4
We present a method to simultaneously engineer the energy-momentum dispersion and the local density of optical states. Using vertical symmetry-breaking in high-contrast gratings, w…
Directional lasing at high oblique angle from metasurface exhibiting multivalley dispersion
Hai Son Nguyen, Florian Dubois, Thierry Deschamps +5
We report on a metasurface laser emitting at the valley extremum of a multivalley energy-momentum dispersion. Such peculiar dispersion shape is obtained by hybridizing high quality…
Symmetry Breaking in Photonic Crystals: On-Demand Dispersion from Flatband to Dirac Cones
Hai Son Nguyen, Florian Dubois, Thierry Deschamps +6
We demonstrate that symmetry breaking opens a new degree of freedom to tailor the energy-momentum dispersion in photonic crystals. Using a general theoretical framework in two illu…
Thermal Aware Design Method for VCSEL-Based On-Chip Optical Interconnect
Hui Li, Alain Fourmigue, Sébastien Le Beux +3
Optical Network-on-Chip (ONoC) is an emerging technology considered as one of the key solutions for future generation on-chip interconnects. However, silicon photonic devices in ON…
Far-field and near-field investigation of plasmonic-photonic hybrid laser mode
Taiping Zhang, Ali Belarouci, Ségolène Callard +6
We report an approach to achieve this goal via build a plasmonic-dielectric photonic hybrid system. We induce a defect mode based photonic crystal (PC) cavity to work as a intermed…
Near-field investigation of a plasmonic-photonic hybrid nanolaser
Taiping Zhang, Ali Belarouci, Ségolène Callard +6
We report an approach of realization and characterization of a novel plasmonic-photonic hybrid nanodevice. The device comprises a plasmonic nano-antenna (NA) and a defect mode base…
Inhibition of light emission in a 2.5D photonic structure
Romain Peretti, Christian Seassal, Pierre Viktorovich +1
We analyse inhibition of emission in a 2.5D photonic structures made up a photonic crystal (PhC) and Bragg mirrors using FDTD simulations. A comparison is made between an isolated…
Optical characterization of active photon cages
Rémy Artinyan, Aziz Benamrouche, Chérif Belacel +10
Recently, we developed a new family of 3D photonic hollow resonators which theoretically allow tight confinement of light in a fluid (gaz or liquid): the photon cages. These new re…
Modal approach for tailoring the absorption in a photonic crystal membrane
Romain Peretti, Guillaume Gomard, Christian Seassal +2
In this paper, we propose a method for tailoring the absorption in a photonic crystal membrane. For that purpose, we first applied Time Domain Coupled Mode Theory to such a subwave…
Mode Competition in Dual-Mode Quantum Dots Semiconductor Microlaser
Laurent Chusseau, Fabrice Philippe, P. Viktorovitch +1
This paper describes the modeling of quantum dots lasers with the aim of assessing the conditions for stable cw dual-mode operation when the mode separation lies in the THz range.…
Absorption enhancement in amorphous silicon photonic crystals for thin film photovoltaic solar cells
Ounsi El Daif, Emmanuel Drouard, Yeonsang Park +8
We report on very high enhancement of thin layer's absorption through band-engineering of a photonic crystal structure. We realized amorphous silicon (aSi) photonic crystals, where…