562 citations · 4.6k across the 107 of their papers we have counts for
73 papers · 1 filter
Polariton-dark exciton interactions in bistable semiconductor microcavities
Elena Rozas, Evgeny Sedov, Yannik Brune +3
We take advantage of the polariton bistability in semiconductor microcavities to estimate the interaction strength between lower exciton-polariton and dark exciton states. We combi…
Coherent Optical Spin Hall Transport for Spin-optronics at Room Temperature
Ying Shi, Yusong Gan, Yuzhong Chen +4
Spin or valley degrees of freedom in condensed matter have been proposed as efficient information carriers towards next generation spintronics. It is therefore crucial to develop e…
Symmetry breaking and superfluid currents in a split-ring spinor polariton condensate
Igor Chestnov, Kirill Kondratenko, Sevak Demirchyan +1
Bosonic condensates of spin-less non-interacting particles confined on a ring cannot propagate circular periodic currents once rotation symmetry of the system is broken. However a…
Light-induced injection of hot carriers from gold nanoparticles to carbon wire bundles
Stella Kutrovskaya, Igor Chestnov, Anton Osipov +6
We observed a light-induced enhancement of the tunneling current propagating through an array of parallel carbon chains anchored between gold nanoparticles (NPs). In the presence o…
Stochastic circular persistent currents of exciton polaritons
J. Borat, Roman Cherbunin, Evgeny Sedov +8
We keep track of the orbital degree of freedom of an exciton polariton condensate, confined in an optical trap, and reveal the stochastic switching of persistent annular polariton…
Steady state oscillations of circular currents in concentric polariton condensates
Vladimir Lukoshkin, Evgeny Sedov, Vladimir Kalevich +3
Concentric ring exciton polariton condensates emerging under non-resonant laser pump in an annular trapping potential support persistent circular currents of polaritons. The trappi…
Double ring polariton condensates with polariton vortices
Evgeny Sedov, Vladimir Lukoshkin, Vladimir Kalevich +4
We study formation of superfluid currents of exciton polaritons in annular polariton condensates in a cylindrical micropillar cavity under the spatially localised nonresonant optic…
Spinor superfluid currents of exciton-polaritons on a split-ring
Sevak Demirchyan, Igor Chestnov, Kirill Kondratenko +1
Recently, split-ring bosonic condensates of exciton polaritons have been proposed for realisation of qubits. We formulate an analytical model of a polariton condensate in a one-dim…
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…
Dynamics and control of nonradiative excitons - free carriers mixture in GaAs/AlGaAs quantum wells
A. S. Kurdyubov, A. V. Trifonov, B. F. Gribakin +9
Dynamics of nonradiative excitons with large in-plane wave vectors forming a so-called reservoir is experimentally studied in a high-quality semiconductor structure containing a 14…
Spatial coherence of room-temperature monolayer WSe exciton-polaritons in a trap
Hangyong Shan, Lukas Lackner, Bo Han +16
The emergence of spatial and temporal coherence of light emitted from solid-state systems is a fundamental phenomenon, rooting in a plethora of microscopic processes. It is intrins…
Exciton radiative lifetime in a monoatomic carbon chain
Stella Kutrovskaya, Sevak Demirchyan, Anton Osipov +4
Linear carbon-based materials such as polyyne and cumulene oligomers provide a versatile platform for nano-physics and engineering. Direct gap quasi-1D polyyne structures are promi…
Nernst and Ettingshausen effects in the Laughlin geometry
S. G. Sharapov, A. A. Varlamov, C. Goupil +1
The ideal reversible thermodynamic cycle visualization of the Nernst effect in Laughlin geometry, excluding the kinetic contribution is proposed. The Ettingshausen effect is also t…
Bosonic condensation of exciton-polaritons in an atomically thin crystal
Carlos Anton-Solanas, Maximilian Waldherr, Martin Klaas +9
The emergence of two-dimensional crystals has revolutionized modern solid-state physics. From a fundamental point of view, the enhancement of charge carrier correlations has sparke…
Manipulation of room-temperature Valley-Coherent Exciton-Polaritons in atomically thin crystals by real and artificial magnetic fields
Christoph Rupprecht, Evgeny Sedov, Martin Klaas +11
Strong spin-orbit coupling and inversion symmetry breaking in transition metal dichalcogenide monolayers yield the intriguing effects of valley-dependent optical selection rules. A…
Exciton energy oscillations induced by quantum beats
A. V. Trifonov, A. S. Kurdyubov, I. Ya. Gerlovin +5
In this paper, we experimentally demonstrate an oscillating energy shift of quantum-confined exciton levels in a semiconductor quantum well after excitation into a superposition of…
Spin noise signatures of the self-induced Larmor precession
I. I. Ryzhov, V. O. Kozlov, N. S. Kuznetsov +7
Bose-Einstein condensates of exciton-polaritons are known for their fascinating coherent and polarization properties. The spin state of the condensate is reflected in polarization…
The Nernst effect in Corbino geometry
A. V. Kavokin, B. L. Altshuler, S. G. Sharapov +2
We study the manifestation of the Nernst effect in the Corbino disk subjected to the normal external magnetic field and to the radial temperature gradient. The Corbino geometry off…
Superfluid currents in half-moon polariton condensates
E. S. Sedov, V. A. Lukoshkin, V. K. Kalevich +3
We excite exciton-polariton condensates in half-moon shapes by the non-resonant optical excitation of GaAs-based cylindrical pillar microcavities. In this geometry, the π-jump of t…
Split-ring polariton condensates as macroscopic two-level quantum systems
Yan Xue, Igor Chestnov, Evgeny Sedov +5
Superposition states of circular currents of exciton-polaritons mimic the superconducting flux qubits. The phase of a polariton fluid must change by an integer number of , when…
Optical valley Hall effect for highly valley-coherent exciton-polaritons in an atomically thin semiconductor
Nils Lundt, Lukasz Dusanowski, Evgeny Sedov +11
Spin-orbit coupling is a fundamental mechanism that connects the spin of a charge carrier with its momentum. Likewise, in the optical domain, a synthetic spin-orbit coupling is acc…
Pseudo-drag of a polariton superfluid
Igor Y. Chestnov, Yuri G. Rubo, Alexey V. Kavokin
The drag of half-light half-mater quasiparticles, exciton-polaritons, by an electric current is a peculiar mechanism of light-matter interaction in solids. While an ideal superflui…
Magnetic field induced splitting and polarization of monolayer-based valley exciton-polaritons
Nils Lundt, Evgeny Sedov, Max Waldherr +12
Atomically thin crystals of transition metal dichalcogenides are ideally suited to study the interplay of light-matter coupling, polarization and magnetic field effects. In this wo…
Spin domains in one-dimensional conservative polariton solitons
M. Sich, L. E. Tapia-Rodriguez, H. Sigurdsson +9
We report stable orthogonally polarised domains in high-density polariton solitons propagating in a semiconductor microcavity wire. This effect arises from spin dependent polariton…