A. K. Samusev
YOU?
Author Swipe
View article: Polariton-Induced Transparency in Multiple Quantum Wells Probed by Time Domain Brillouin Scattering
Polariton-Induced Transparency in Multiple Quantum Wells Probed by Time Domain Brillouin Scattering Open
The interference of the incident light reflected from the surface of a medium and from a picosecond strain pulse propagating through it results in temporal oscillations of the reflected intensity. This phenomenon, called time-domain Brillo…
View article: Planar Bragg microcavities with monolayer WS$_2$ for strong exciton-photon coupling
Planar Bragg microcavities with monolayer WS$_2$ for strong exciton-photon coupling Open
We propose and numerically investigate a novel compact planar microcavity design based on a high-index dielectric slab waveguide with embedded monolayer semiconductor. In comparison to more traditional vertical Bragg microcavities, our des…
View article: Exciton-polariton stimulated scattering in hybrid halide perovskites
Exciton-polariton stimulated scattering in hybrid halide perovskites Open
Halide perovskites, such as methylammonium lead bromide (MAPbBr$_3$), host tightly bound three-dimensional excitons which are robust at room temperature. Excellent optical properties of MAPbBr$_3$ allow for designing of optical single-mode…
View article: Polariton probing of attometer displacement and nanoscale strain in ultrashort acoustic pulses
Polariton probing of attometer displacement and nanoscale strain in ultrashort acoustic pulses Open
Atomic displacement and lattice strain are inextricably linked in most ultrafast processes in solids, such as in optically induced phase transition [1,2] or demagnetization [3]. The visualization of lattice dynamics with femtosecond tempor…
View article: Enhanced Photon–Phonon Interaction in WSe<sub>2</sub> Acoustic Nanocavities
Enhanced Photon–Phonon Interaction in WSe<sub>2</sub> Acoustic Nanocavities Open
Acoustic nanocavities (ANCs) with resonance frequencies much above 1 GHz are prospective to be exploited in sensors and quantum operating devices. Nowadays, acoustic nanocavities fabricated from van der Waals (vdW) nanolayers allow them to…
View article: Polariton lasing in Mie-resonant perovskite nanocavity
Polariton lasing in Mie-resonant perovskite nanocavity Open
Deeply subwavelength lasers (or nanolasers) are highly demanded for compact on-chip bioimaging and sensing at the nanoscale. One of the main obstacles for the development of single-particle nanolasers with all three dimensions shorter than…
View article: Coherent Phonons in van der Waals MoSe2/WSe2 Heterobilayers
Coherent Phonons in van der Waals MoSe2/WSe2 Heterobilayers Open
Dataset of the publication: "Coherent Phonons in van der Waals MoSe2/WSe2 Heterobilayers" Changxiu Li, Alexey V. Scherbakov, Pedro Soubelet, Anton K. Samusev, Claudia Ruppert, Nilanthy Balakrishnan, Vitalyi E. Gusev, Andreas V. Stier, Jona…
View article: Coherent Phonons in van der Waals MoSe2/WSe2 Heterobilayers
Coherent Phonons in van der Waals MoSe2/WSe2 Heterobilayers Open
Dataset of the publication: "Coherent Phonons in van der Waals MoSe2/WSe2 Heterobilayers" Changxiu Li, Alexey V. Scherbakov, Pedro Soubelet, Anton K. Samusev, Claudia Ruppert, Nilanthy Balakrishnan, Vitalyi E. Gusev, Andreas V. Stier, Jona…
View article: Coherent Phonons in van der Waals MoSe<sub>2</sub>/WSe<sub>2</sub> Heterobilayers
Coherent Phonons in van der Waals MoSe<sub>2</sub>/WSe<sub>2</sub> Heterobilayers Open
The increasing role of two-dimensional (2D) devices requires the development of new techniques for ultrafast control of physical properties in 2D van der Waals (vdW) nanolayers. A special feature of heterobilayers assembled from vdW monola…
View article: Nonlinear self-action of ultrashort guided exciton–polariton pulses in dielectric slab coupled to 2D semiconductor
Nonlinear self-action of ultrashort guided exciton–polariton pulses in dielectric slab coupled to 2D semiconductor Open
Recently reported large values of exciton–polariton nonlinearity of transition metal dichalcogenide (TMD) monolayers coupled to optically resonant structures approach the values characteristic for GaAs-based systems in the regime of strong…
View article: Polariton lasing in Mie-resonant perovskite nanocavity
Polariton lasing in Mie-resonant perovskite nanocavity Open
Deeply subwavelength lasers (or nanolasers) are highly demanded for compact on-chip bioimaging and sensing at the nanoscale. One of the main obstacles for the development of single-particle nanolasers with all three dimensions shorter than…
View article: Mechanical scanning probe lithography of perovskites for fabrication of high-Q planar polaritonic cavities
Mechanical scanning probe lithography of perovskites for fabrication of high-Q planar polaritonic cavities Open
Exciton–polaritons are unique quasiparticles with hybrid properties of an exciton and a photon, opening ways to realize ultrafast strongly nonlinear systems and inversion-free lasers based on Bose–Einstein polariton condensation. However, …
View article: Bulk ReSe2: record high refractive index and biaxially anisotropic material for all-dielectric nanophotonics
Bulk ReSe2: record high refractive index and biaxially anisotropic material for all-dielectric nanophotonics Open
We show that bulk rhenium diselenide, ReSe2 is characterized by record high value of the refractive index exceeding 5 in near-infrared frequency range. We use back focal plane reflection spectroscopy to extract the components of the ReSe2 …
View article: STM Light Emission and I(V) study of single gold nanoantenna
STM Light Emission and I(V) study of single gold nanoantenna Open
Hight-speed optical nanoemitters are of importance for on-chip optical data processing. A tunnel junctions can be a base for such light emitters, however such structures suffer from low quantum efficiency. One of the ways to improve effici…
View article: Strong light-matter coupling in topological metasurfaces integrated with transition metal dichalcogenides
Strong light-matter coupling in topological metasurfaces integrated with transition metal dichalcogenides Open
Strong light-matter interactions enable unique nonlinear and quantum phenomena at moderate light intensities. Within the last years, polaritonic metasurfaces emerged as a viable candidate for realization of such regimes. In particular, pla…
View article: Spatial mapping of optical modes in plasmonic nanoantenna by scanning tunneling microscopy
Spatial mapping of optical modes in plasmonic nanoantenna by scanning tunneling microscopy Open
Using of inelastic electron tunnelling is very promising approach to study of subwavelength photons and plasmons sources. Such sources are very important for improving of on-chip data processing. One of the ways for development of efficien…
View article: Guided exciton-polaritons in a subwavelength dielectric slab integrated with a 2D semiconductor
Guided exciton-polaritons in a subwavelength dielectric slab integrated with a 2D semiconductor Open
New-generation nonlinear planar polaritonic devices based on 2D semiconductors demonstrate great potential for a wide range of practical applications. In this work, we experimentally study strong light–matter coupling between waveguide pho…
View article: Second harmonic generation in hybrid GaP/Au nanocylinders
Second harmonic generation in hybrid GaP/Au nanocylinders Open
To date, nanoscale dielectric and plasmonic systems with a nonlinear response are of great interest to researchers. This is due to a wide range of their potential applications in nonlinear optical converters and optical communication syste…
View article: Up-conversion photoluminescence specificity of a hybrid sponge nanostructures
Up-conversion photoluminescence specificity of a hybrid sponge nanostructures Open
Over the past decades, silicon is proved to be as a promising material for the development of devices in the fields of nanophotonics and optoelectronics. However, the material so popular at the current time did not find its application in …
View article: Probing guided monolayer semiconductor polaritons below the light line
Probing guided monolayer semiconductor polaritons below the light line Open
In this work, we demonstrate an approach to study exciton-polaritons supported by transition metal dichalcogenide monolayers coupled to an unstructured planar waveguide below the light line. In order to excite and probe such waves propagat…
View article: Experimental observation of topological Z2 exciton-polaritons in transition metal dichalcogenide monolayers
Experimental observation of topological Z2 exciton-polaritons in transition metal dichalcogenide monolayers Open
The rise of quantum science and technologies motivates photonics research to seek new platforms with strong light-matter interactions to facilitate quantum behaviors at moderate light intensities. Topological polaritons (TPs) offer an idea…
View article: Experimental observation of topological exciton-polaritons in transition metal dichalcogenide monolayers
Experimental observation of topological exciton-polaritons in transition metal dichalcogenide monolayers Open
The rise of quantum science and technologies motivates photonics research to seek new platforms with strong light-matter interactions to facilitate quantum behaviors at moderate light intensities. One promising platform to reach such stron…
View article: Theory, observation and ultrafast response of novel hybrid anapole states
Theory, observation and ultrafast response of novel hybrid anapole states Open
Modern nanophotonics has witnessed the rise of "electric anapoles", destructive interferences of electric dipoles and toroidal electric dipoles, actively exploited to cancel electric dipole radiation from nanoresonators. However, the inher…
View article: Theory, observation and ultrafast response of novel hybrid anapole\n states
Theory, observation and ultrafast response of novel hybrid anapole\n states Open
Modern nanophotonics has witnessed the rise of "electric anapoles", destructive interferences of electric dipoles and toroidal electric dipoles, actively exploited to cancel electric dipole radiation from nanoresonators. However, the inher…
View article: Nontrivial Pure Zero-Scattering Regime Delivered by a Hybrid Anapole State
Nontrivial Pure Zero-Scattering Regime Delivered by a Hybrid Anapole State Open
The ability to manipulate electric and magnetic components of light at the nanoscale delivered by dielectric and semiconductor components is paving the way towards novel types of sources and nanoantennae with exceptional electromagnetic si…
View article: Emitting properties of a-Si:C:H films with a gold submicron grating
Emitting properties of a-Si:C:H films with a gold submicron grating Open
In this study reflection and photoluminescence spectra of a-Si:C:H thin film with gold grating on it was examined theoretically and experimentally. The hydrogenated amorphous amorphous silicon-carbon alloy films were fabricated by the PECV…
View article: Strong coupling of excitons in 2D MoSe<sub>2</sub>/hBN heterostructure with optical bound states in the continuum
Strong coupling of excitons in 2D MoSe<sub>2</sub>/hBN heterostructure with optical bound states in the continuum Open
We experimentally demonstrate strong exciton-photon coupling in a MoSe 2 /hBN heterostructure interfaced with an all-dielectric metasurface supporting high-Q bound states in the continuum. The resulting exciton-polaritons are probed by mea…