562 citations · 7.7k across the 128 of their papers we have counts for
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Beam canalization by a non-Abelian gauge field
Olha Bahrova, Jiahao Ren, Feng Jin +3
Hyperbolic and quasi-flat isofrequency contours (IFCs) are used for beam canalization and can be created by tilted Dirac points in photonic systems. Dirac points in microcavities a…
Annihilation of Dirac points and its topological obstruction in a photonic Kagome lattice
Zhaoyang Zhang, Matthieu Finck, Changchang Li +7
Dirac points (DPs) are topological singularities that determine the extraordinary properties of two-dimensional materials. They are generally classified by discrete topological inv…
Kibble-Zurek mechanism in a polariton supersolid
Dmitry Solnyshkov, Rafal Mirek, Darius Urbonas +12
We study the formation of topological defects via the Kibble-Zurek mechanism in a polariton supersolid in a liquid crystal microcavity with tunable Rashba-Dresselhaus spin-orbit co…
Reservoir neuromorphic computing based on spin-orbit coupling in an organic crystal resonator
Teng Long, Yibo Deng, Xuekai Ma +5
Neuromorphic computing is at the basis of the recent progress in artificial intelligence. But the progress is accompanied with increasing demands in computational resources and pow…
Electrically reconfigurable extended lasing state in an organic liquid-crystal microcavity
Dmitriy Dovzhenko, Luciano Siliano Ricco, Krzysztof Sawicki +12
Small-footprint, low-power arrays of coupled coherent emitters with the capability of near- and far-field engineering and coherence control are highly sought after to meet modern n…
Spin-to-orbital angular momentum conversion in non-Hermitian photonic graphene
Zhaoyang Zhang, Pavel Kokhanchik, Zhenzhi Liu +7
Optical beams with orbital angular momentum (OAM) have numerous potential applications, but the means used for their generation often lack crucial on-demand control. In this work,…
Observation of nonreciprocal transverse localization of light
Shun Liang, Changchang Li, Wenqing Yu +7
Magnetic-free nonreciprocal optical devices that can prevent backscattering of signals are essential for integrated optical information processing. The achieved nonreciprocal behav…
Beam dynamics induced by the quantum metric of exceptional rings
Zhaoyang Zhang, Ismaël Septembre, Zhenzhi Liu +10
Topological physics has broadened its scope from the study of topological insulating phases to include nodal phases containing band structure singularities. The geometry of the cor…
Spin-valley-locked Electroluminescence for High-Performance Circularly-Polarized Organic Light-Emitting Diodes
Yibo Deng, Teng Long, Pingyang Wang +9
Circularly polarized (CP) organic light-emitting diodes (OLEDs) have attracted attention in potential applications including novel display and photonic technologies. However, conve…
Observation of a supersolid phase in a spin-orbit coupled exciton-polariton Bose-Einstein condensate at room temperature
Marcin Muszyński, Pavel Kokhanchik, Rafał Mirek +18
In Bose-Einstein condensates (BEC), spin-orbit coupling (SOC) produces supersolidity. It is a peculiar state of matter, which, in addition to the superfluid behaviour shows periodi…
Dual orthogonally-polarized lasing assisted by imaginary Fermi arcs in organic microcavities
Teng Long, Jiahuan Ren, Peng Li +6
The polarization control of micro/nano lasers is an important topic in nanophotonics. Up to now, the simultaneous generation of two distinguishable orthogonally-polarized lasing mo…
Optical spin Hall effect pattern switching in polariton condensates in organic single-crystal microbelts
Jiahuan Ren, Teng Long, Chunling Gu +4
Topological polaritons, combining the robustness of the topological protected edge states to defects and disorder with the strong nonlinear properties of polariton bosons, represen…
Non-Hermitian delocalization in a 2D photonic quasicrystal
Zhaoyang Zhang, Shun Liang, Ismael Septembre +7
Quasicrystals show long-range order, but lack translational symmetry. So far, theoretical and experimental studies suggest that both Hermitian and non-Hermitian quasicrystals show…
Non-Hermitian skin effect induced by Rashba-Dresselhaus spin-orbit coupling
Pavel Kokhanchik, Dmitry Solnyshkov, Guillaume Malpuech
1D chains with non-reciprocal tunneling realizing the non-Hermitian skin effect (NHSE) have attracted considerable interest in the last years whereas their experimental realization…
Weyl singularities in polaritonic multi-terminal Josephson junctions
Ismaël Septembre, Julia S. Meyer, Dmitry D. Solnyshkov +1
We study theoretically analog multi-terminal Josephson junctions formed by gapped superfluids created upon resonant pumping of cavity exciton-polaritons. We study the -like band…
Control of dimer chain topology by Rashba-Dresselhaus spin-orbit coupling
Pavel Kokhanchik, Dmitry Solnyshkov, Thilo Stöferle +3
We study theoretically a dimer chain in the presence of Rashba-Dresselhaus spin-orbit coupling (RDSOC) with equal strength. We show that the RDSOC can be described as a synthetic g…
Giant effective Zeeman splitting in a monolayer semiconductor realized by spin-selective strong light-matter coupling
T. P. Lyons, D. J. Gillard, C. Leblanc +11
Strong coupling between light and the fundamental excitations of a two-dimensional electron gas (2DEG) are of foundational importance both to pure physics and to the understanding…
Kibble-Zurek mechanism in polariton graphene
D. Solnyshkov, L. Bessonart, A. Nalitov +1
We study the formation of topological defects (quantum vortices) during the formation of a 2D polariton condensate at the point of a honeycomb lattice via the Kibble-Zurek mech…
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…
Parametric amplification of topological interface states in synthetic Andreev bands
Ismael Septembre, Sergei Koniakhin, Julia Meyer +2
A driven-dissipative nonlinear photonic system (e.g. exciton-polaritons) can operate in a gapped superfluid regime. We theoretically demonstrate that the reflection of a linear wav…
Experimental measurement of the divergent quantum metric of an exceptional point
Qing Liao, Charly Leblanc, Jiahuan Ren +6
The geometry of Hamiltonian's eigenstates is encoded in the quantum geometric tensor (QGT). It contains both the Berry curvature, central to the description of topological matter a…
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…
Quantum metric and wavepackets at exceptional points in non-Hermitian systems
D. D. Solnyshkov, C. Leblanc, L. Bessonart +5
The usual concepts of topological physics, such as the Berry curvature, cannot be applied directly to non-Hermitian systems. We show that another object, the quantum metric, which…
Spin-orbit coupling in photonic graphene
Zhaoyang Zhang, Shun Liang, Feng Li +6
We generate experimentally a honeycomb refractive index pattern in an atomic vapor cell using electromagnetically-induced transparency. We study experimentally and theoretically th…