A5019531567- Strong Light-Matter Interactions
- Thermal Radiation and Cooling Technologies
- Plasmonic and Surface Plasmon Research
- Molecular Junctions and Nanostructures
- Mechanical and Optical Resonators
- Quantum and electron transport phenomena
- Porphyrin and Phthalocyanine Chemistry
- Fullerene Chemistry and Applications
- Nonlinear Optical Materials Studies
- Neural Networks and Reservoir Computing
- Gold and Silver Nanoparticles Synthesis and Applications
- Photochemistry and Electron Transfer Studies
- Optical properties and cooling technologies in crystalline materials
- Photonic and Optical Devices
- Laser-Matter Interactions and Applications
- Advanced Thermodynamics and Statistical Mechanics
- Advanced Fiber Laser Technologies
- Graphene research and applications
- Quantum Electrodynamics and Casimir Effect
- Quantum Mechanics and Non-Hermitian Physics
- Perovskite Materials and Applications
- Advanced Chemical Physics Studies
- Semiconductor Quantum Structures and Devices
- Quantum Information and Cryptography
- Carbon Nanotubes in Composites
Skolkovo Institute of Science and Technology
2016-2025
Vienna Center for Quantum Science and Technology
2023-2024
University of Vienna
2023-2024
University of Southampton
2019-2023
All Russia Research Institute of Automatics
2022
Moscow Institute of Physics and Technology
2022
Prokhorov General Physics Institute
2016
National Research Nuclear University MEPhI
2013-2016
Non-Hermitian dynamics, as observed in photonic, atomic, electrical and optomechanical platforms, holds great potential for sensing applications signal processing. Recently, fully tuneable non-reciprocal optical interaction has been demonstrated between levitated nanoparticles. Here we use this tunability to investigate the collective non-Hermitian dynamics of two non-reciprocally nonlinearly interacting We observe parity-time symmetry breaking and, sufficiently strong coupling, a mechanical...
Polariton condensation in the yellow part of visible spectrum from a planar organic semiconductor microcavity containing molecular dye bromine‐substituted boron‐dipyrromethene is observed. This study provides experimental fingerprint polariton under nonresonant optical excitation, including nonlinear dependence emission intensity and wavelength blueshift with increasing excitation density, single pulse dispersion imaging, real space interferometry. The latter two allow to visualize collapse...
Abstract Bose-Einstein condensates of exciton-polaritons in inorganic semiconductor microcavities are known to possess strong interparticle interactions attributed their excitonic component. The play a crucial role the nonlinear dynamics such systems and can be witnessed as energy blueshifts polariton states. However, localised nature Frenkel excitons strongly coupled organic precludes Coulomb exchange-interactions that change mechanisms nonlinearity accordingly. In this report, we unravel...
Abstract Today, almost all information processing is performed using electronic logic circuits operating at several gigahertz frequency. All-optical holds the promise to allow for up three orders of magnitude higher speed. Whereas essential all-optical transistor functionalities were demonstrated across a range platforms, utilising them implement complete Boolean gate set and in particular negation, i.e. switching off an optical signal with another, weaker, signal, poses major challenge....
Inorganic cesium lead halide perovskite nanowires, generating laser emission in the broad spectral range at room temperature and low threshold, have become powerful tools for cutting-edge applications optoelectronics nanophotonics. However, to achieve high-quality nanowires with outstanding optical properties, it was necessary employ long-lasting costly methods of their synthesis, as well postsynthetic separation transfer procedures that are not convenient large-scale production. Here we...
Abstract Polariton thermalization is a key process in achieving light–matter Bose–Einstein condensation, spanning from solid-state semiconductor microcavities at cryogenic temperatures to surface plasmon nanocavities with molecules room temperature. Originated the matter component of polariton states, microscopic mechanisms are closely tied specific material properties. In this work, we investigate strongly-coupled molecular systems. We develop theory addressing through electron-phonon...
Abstract A material system is proposed to generate polariton lasing at room temperature over a broad spectral range. The developed based on boron‐dipyrromethene fluorescent dye (BODIPY‐G1) that dispersed into polystyrene matrix and used as the active layer of strongly coupled microcavity. It shown BODIPY‐G1 exciton polaritons undergo nonlinear emission range exciton–cavity mode detuning in green‐yellow portion visible spectrum, with achieved spanning 33 nm. recorded linewidth ≈0.1 nm...
We studied monatomic linear carbon chains stabilized by gold nanoparticles attached to their ends and deposited on a solid substrate. observe spectral features of straight containing from 8 24 atoms. Low-temperature PL spectra reveal characteristic triplet fine structures that repeat themselves for different lengths. The is invariably composed sharp intense peak accompanied two broader satellites situated 15 40 meV below the main peak. interpret these resonances as an edge-state neutral...
In this Letter, we give an analytical quantum description of a nonequilibrium polariton Bose-Einstein condensate (BEC) based on the solution master equation for full density matrix in limit fast thermalization. We find BEC, that takes into account correlations between all states. show formation BEC is accompanied by build-up cross-correlations ground state and excited states reaching their highest values at condensation threshold. Despite nature systems, average population exhibits...
We develop a microscopic theory for the dynamics of quantum fluids light, deriving an effective kinetic equation in momentum space that takes form convection-diffusion equation. In particular case two-dimensional systems with parabolic dispersion, it reduces to Bateman--Burgers The hydrodynamic analogy unifies nonlinear wave phenomena, such as shock formation and turbulence, non-equilibrium Bose--Einstein condensation photons polaritons optical cavities. introduce Reynolds number...
Plasmon enhancement of optical absorption in phthalocyanines and related compounds is a highly effective route for substantial improvement their photophysical properties. Herein, we report the results on comprehensive study aluminum phthalocyanine complex spherical exciton–plasmon nanostructures based gold nanoparticles. We synthesized hybrid nanoparticles (HNPs) composed cores with an average size 19 nm coated by which formed close-packed molecular shell having thickness 2–4 nm. Owing to...
We report on the quantum statistical properties of organic polariton condensates. Our experimental study demonstrates low particle number fluctuations for highly populated condensates at room temperature. show a noise condensate that is $\ensuremath{\sim}100$ times shot-noise limit an ideal coherent light source, setting lower devices. Despite high thermal temperature, strong dynamical instability, and static disorder intrinsic to systems, exhibits extremely degree second-order coherence...
Abstract The manipulation of exciton–polaritons and their condensates is great interest due to applications in polariton simulators high‐speed, all‐optical logic devices. Until now, methods trapping manipulating such are not dynamically reconfigurable or resulted an undesirable reduction the exciton–photon coupling strength. Here, a new strategy for ultrafast control resonances via transient modification optical cavity mode presented. Multilayer organic semiconductor microcavities that...
We demonstrate a macrocoherent regime in exciton-polariton systems, where nonequilibrium polariton Bose-Einstein condensation coexists with macroscopically occupied vibrational states. Strong exciton-vibration coupling induces an effective optomechanical interaction between cavity polaritons and degrees of freedom molecules, leading to amplification resonant blue-detuned configuration. This provides sympathetic mechanism achieve potential applications cavity-controlled chemistry, nonlinear,...
We implement full polarization tomography on photon correlations in a spinor exciton-polariton condensate. Our measurements reveal condensate pseudospin mean-field dynamics spanning from stochastic switching between linear components, limit cycles, and stable fixed points, their intrinsic relation to the statistics. optically harness cavity birefringence, polariton interactions, optical orientation of an incoherent exciton reservoir engineer statistics with precise control. results...
Coherent bosonic ensembles offer the promise of harnessing quantum effects in photonic and circuits. In dynamic equilibrium regime, application polariton condensates is hindered by exciton-polariton scattering induced de-coherence presence a dark exciton reservoir. By spatially separating condensate from reservoir, we drive system into weak interaction where ensemble coherence time exceeds individual particle lifetime nearly three orders magnitude. The observed nanosecond provides an upper...
Today, almost all information processing is performed using electronic logic circuits operating with up to several gigahertz frequency. All-optical logic, however, that holds the promise allow three orders of magnitude higher speed [1] has not been able provide a viable alternative because approaches had tried were either scalable, energy efficient or did show significant benefit. Whereas essential all-optical transistor functionalities have already demonstrated across range platforms [2-4],...