513 citations · 2.3k across the 38 of their papers we have counts for
38 papers
Collective Excitations and Stability of Nonequilibrium Polariton Supersolids
A. Grudinina, J. Cao, A. Kavokin +2
Formation of nonequilibrium counterparts of supersolids, simultaneously characterized with spontaneous superfluid and crystalline order, was recently reported in incoherently pumpe…
Ultra-small Mode Volume Polariton Condensation via Precision Ion Implantation
Y. C. Balas, X. Zhou, E. Cherotchenko +7
We present a novel method for generating potential landscapes in GaAs microcavities through focused implantation. The ion beam imprints micron-scale patterns of non-radiat…
Giant effective -factor due to spin bifurcations in polariton condensates
A. Bochin, I. Chestnov, A. Nalitov
We predict giant susceptibility of spin-bifurcating polariton condensates to externally applied permanent magnetic field. In the presence of spin-anisotropic polariton-polariton in…
Non-adiabatic polariton condensation in annular optical traps
I. Chestnov, E. Cherotchenko, A. Nalitov
We explore formation and dynamics of nonequilibrium bosonic exciton-polariton condensates in annular optically induced traps. For the vicinity of condensation pumping threshold, we…
Polariton vortex Chern insulator
Stella L. Harrison, Anton Nalitov, Pavlos G. Lagoudakis +1
We propose a vortex Chern insulator, motivated by recent experimental demonstrations on programmable arrangements of cavity polariton vortices by [Alyatkin et al., ArXiv:2207.01850…
Simultaneous creation of multiple vortex-antivortex pairs in momentum space in photonic lattices
Feng Li, S. V. Koniakhin, A. V. Nalitov +6
Engineering of the orbital angular momentum (OAM) of light due to interaction with photonic lattices reveals rich physics and motivates potential applications. We report the experi…
Pseudo-conservative dynamics of coupled polariton condensates
I. Chestnov, Y. G. Rubo, A. Nalitov +1
Open-dissipative systems obeying parity-time () symmetry are capable of demonstrating oscillatory dynamics akin to the conservative systems. In contrast to limit cycl…
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 turbulence in spin-orbit-coupled driven-dissipative quantum fluids of light generates high angular momentum states
S. V. Koniakhin, G. Malpuech, D. D. Solnyshkov +1
We demonstrate the formation of a high angular momentum turbulent state in an exciton-polariton quantum fluid with TE-TM Spin-Orbit Coupling (SOC). The transfer of particles from q…
Dynamics of spin polarization in tilted polariton rings
S. Mukherjee, V. K. Kozin, A. V. Nalitov +9
We have observed the effect of pseudo magnetic field originating from the polaritonic analog of spin-orbit coupling (TETM splitting) on a polariton condensate in a ring-shaped m…
Optically controlled polariton condensate molecules
E. D. Cherotchenko, H. Sigurdsson, A. Askitopoulos +1
A condensed matter platform for analogue simulation of complex two-dimensional molecular bonding configurations, based on optically trapped exciton-polariton condensates is propose…
Optical analogue of Dresselhaus spin-orbit interaction in photonic graphene
C. E. Whittaker, T. Dowling, A. V. Nalitov +6
The concept of gauge fields plays a significant role in many areas of physics from particle physics and cosmology to condensed matter systems, where gauge potentials are a natural…
Resonant excitation of acoustic waves in one-dimensional exciton-polariton systems
A. V. Yulin, V. K. Kozin, A. V. Nalitov +1
We analyze the interaction of exciton-polariton condensates in a one-dimensional semiconductor microcavity with acoustic phonons. We consider the case of a coherently pumped conden…
Spontaneous topological transitions in a honeycomb lattice of exciton-polariton condensates due to spin bifurcations
H. Sigurdsson, Y. S. Krivosenko, I. V. Iorsh +2
We theoretically explore nonresonantly pumped polaritonic graphene, a system consisting of a honeycomb lattice of micropillars in the regime of strong light-matter coupling. We dem…
Optically trapped polariton condensates as semiclassical time crystals
A. V. Nalitov, H. Sigurdsson, S. Morina +5
We analyse nonequilibrium phase transitions in microcavity polariton condensates trapped in optically induced annular potentials. We develop an analytic model for annular optical t…
Topological Metamaterials based on polariton rings
V. K. Kozin, I. V. Iorsh, A. V. Nalitov +1
Chern insulator phase is shown to emerge in two-dimensional arrays of polariton rings where time-reversal symmetry is broken due to the application of an out-of-plane magnetic fiel…
Observation of bosonic condensation in a hybrid monolayer MoSe2-GaAs microcavity
Max Waldherr, Nils Lundt, Martin Klaas +13
Condensation of bosons into a macroscopic quantum state belongs to the most intriguing phenomena in nature. It was first realized in quantum gases of ultra-cold atoms, but more rec…
Observation of macroscopic valley-polarized monolayer exciton-polaritons at room temperature
N. Lundt, S. Stoll, P. Nagler +10
In this letter, we address the chiral properties of valley exciton-polaritons in a monolayer of WS2 in the regime of strong light-matter coupling with a Tamm-Plasmon resonance. We…
Hanle model of a spin-orbit coupled Bose-Einstein condensate of excitons in semiconductor quantum wells
S. V. Andreev, A. V. Nalitov
We present a theoretical model of a driven-dissipative spin-orbit coupled Bose-Einstein condensate of indirect excitons in semiconductor quantum wells (QW's). Our steady-state solu…
Chiral modes at exceptional points in exciton-polariton quantum fluids
T. Gao, G. Li, E. Estrecho +10
We demonstrate generation of chiral modes -- vortex flows with fixed handedness in exciton-polariton quantum fluids. The chiral modes arise in the vicinity of exceptional points (n…
Valley polarized relaxation and upconversion luminescence from Tamm-Plasmon Trion-Polaritons with a MoSe2 monolayer
N. Lundt, P. Nagler, A. Nalitov +11
Transition metal dichalcogenides represent an ideal testbed to study excitonic effects, spin-related phenomena and fundamental light-matter coupling in nanoscopic condensed matter…
Spontaneous polariton currents in periodic lateral chains
A. V. Nalitov, T. C. H. Liew, A. V. Kavokin +2
We predict spontaneous generation of superfluid polariton currents in planar microcavities with lateral periodic modulation of both potential and decay rate. A spontaneous breaking…
Substrate-induced reduction of graphene thermal conductivity
Sergei Koniakhin, Oleg Utesov, Ivan Terterov +1
We develop the theory of heat conductivity in supported graphene, accounting for coherent phonon scattering on disorder induced by an amorphous substrate. We derive spectra for in-…
Drag of electrons in graphene by substrate surface polar phonons
S. V. Koniakhin, A. V. Nalitov
It is known that electron scattering by surface polar phonons (SPPs) of the substrate reduces their mobility in supported graphene. However, there is no experimental evidence for c…