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Observation of KPZ universal scaling in a one-dimensional polariton condensate
Quentin Fontaine, Davide Squizzato, Florent Baboux +14
Revealing universal behaviors is a hallmark of statistical physics. Phenomena such as the stochastic growth of crystalline surfaces, of interfaces in bacterial colonies, and spin t…
Chiral emission induced by optical Zeeman effect in polariton micropillars
B. Real, N. Carlon Zambon, P. St-Jean +7
The low sensitivity of photons to external magnetic fields is one of the major challenges for the engineering of photonic lattices with broken time-reversal symmetry. Here we show…
Topological gap solitons in a 1D non-Hermitian lattice
N. Pernet, P. St-Jean, D. D. Solnyshkov +13
Nonlinear topological photonics is an emerging field aiming at extending the fascinating properties of topological states to the realm where interactions between the system constit…
Microcavity polaritons for topological photonics
Dmitry D. Solnyshkov, Guillaume Malpuech, Philippe St-Jean +3
Microcavity polaritons are light-matter quasiparticles that arise from the strong coupling between excitons and photons confined in a semiconductor microcavity. They typically oper…
Topological swing in Bloch oscillations
L. K. Upreti, C. Evain, S. Randoux +3
We report new oscillations of wavepackets in quantum walks subjected to electric fields, that decorate the usual Bloch-Zener oscillations of insulators. The number of turning point…
Semi-Dirac Transport and Anisotropic Localization in Polariton Honeycomb Lattices
B. Real, O. Jamadi, M. Milićević +11
Compression dramatically changes the transport and localization properties of graphene. This is intimately related to the change of symmetry of the Dirac cone when the particle hop…
Polaritonic XY-Ising Machine
Kirill P. Kalinin, Alberto Amo, Jacqueline Bloch +1
Gain-dissipative systems of various physical origin have recently shown the ability to act as analogue minimisers of hard combinatorial optimisation problems. Whether or not these…
Direct observation of photonic Landau levels and helical edge states in strained honeycomb lattices
O. Jamadi, E. Rozas, G. Salerno +9
We report the realization of a synthetic magnetic field for photons and polaritons in a honeycomb lattice of coupled semiconductor micropillars. A strong synthetic field is induced…
Multi-orbital tight binding model for cavity-polariton lattices
Franco Mangussi, Marijana Milićević, Isabelle Sagnes +6
In this work we present a tight-binding model that allows to describe with a minimal amount of parameters the band structure of exciton-polariton lattices. This model based on …
Floquet Winding Metals
Lavi Kumar Upreti, Clément Evain, Stephane Randoux +3
We propose a generic scattering matrix model implementable in photonics to engineer a new Floquet metallic phase that combines two distinct topological properties: the winding of t…
Nonlinear Polariton Fluids in a Flatband Reveal Discrete Gap Solitons
V. Goblot, B. Rauer, F. Vicentini +10
Phase frustration in periodic lattices is responsible for the formation of dispersionless flat bands. The absence of any kinetic energy scale makes flat band physics critically sen…
Tilted and type-III Dirac cones emerging from flat bands in photonic orbital graphene
M. Milićević, G. Montambaux, T. Ozawa +6
The extraordinary electronic properties of Dirac materials, the two-dimensional partners of Weyl semimetals, arise from the linear crossings in their band structure. When the dispe…
Lasing in optically induced gap states in photonic graphene
M. Milićević, O. Bleu, D. D. Solnyshkov +7
We report polariton lasing in localised gap states in a honeycomb lattice of coupled micropillars. Localisation of the modes is induced by the optical potential created by the exci…
Quantum-correlated photons from semiconductor cavity polaritons
Guillermo Muñoz-Matutano, Andrew Wood, Mattias Johnson +9
Over the past decade, exciton-polaritons in semiconductor microcavities have attracted a great deal of interest as a driven-dissipative quantum fluid. These systems offer themselve…
Unstable and stable regimes of polariton condensation
F. Baboux, D. De Bernardis, V. Goblot +10
Modulational instabilities play a key role in a wide range of nonlinear optical phenomena, leading e.g. to the formation of spatial and temporal solitons, rogue waves and chaotic d…
Lasing in topological edge states of a 1D lattice
P. St-Jean, V. Goblot, E. Galopin +6
Topology describes properties that remain unaffected by smooth distortions. Its main hallmark is the emergence of edge states localized at the boundary between regions characterize…
Orbital edge states in a photonic honeycomb lattice
Marijana Milićević, Tomoki Ozawa, Gilles Montambaux +7
We experimentally reveal the emergence of edge states in a photonic lattice with orbital bands. We use a two-dimensional honeycomb lattice of coupled micropillars whose bulk spectr…
Measuring topological invariants from generalized edge states in polaritonic quasicrystals
F. Baboux, E. Levy, A. Lemaître +7
We investigate the topological properties of Fibonacci quasicrystals using cavity polaritons. Composite structures made of the concatenation of two Fibonacci sequences allow invest…
Microcavity design for low threshold polariton condensation with ultrashort optical pulse excitation
C. Poellmann, U. Leierseder, E. Galopin +5
We present a microcavity structure with a shifted photonic stop-band to enable efficient non-resonant injection of a polariton condensate with spectrally broad femtosecond pulses.…
Edge states in polariton honeycomb lattices
M. Milicevic, T. Ozawa, P. Andreakou +8
The experimental study of edge states in atomically-thin layered materials remains a challenge due to the difficult control of the geometry of the sample terminations, the stabilit…
Driven-dissipative confined polariton condensate under magnetic field
C. Sturm, D. Solnyshkov, O. Krebs +6
We investigate exciton-polariton condensation under magnetic field in a single high-quality semiconductor micropillar cavity. We observe successive polariton condensation of each s…
Quantum confinement of zero-dimensional hybrid organic-inorganic polaritons at room temperature
Hai Son Nguyen, Zheng Han, Katia Abdel-Baki +6
We report on the quantum confinement of zero-dimensional polaritons in perovskite-based microcavity at room temperature. Photoluminescence of discrete polaritonic states are observ…
Engineering spin-orbit coupling for photons and polaritons in microstructures
V. G. Sala, D. D. Solnyshkov, I. Carusotto +10
One of the most fundamental properties of electromagnetism and special relativity is the coupling between the spin of an electron and its orbital motion. This is at the origin of t…
Giant phase modulation in a Mach-Zehnder exciton-polariton interferometer
C. Sturm, D. Tanese, H. S. Nguyen +8
We report on a new mechanism of giant phase modulation. The phenomenon arises when a dispersed photonic mode (slow light) strongly couples to an excitonic resonance. In such a case…