110 citations · 413 across the 23 of their papers we have counts for
24 papers
Scalable van der Waals Photonics: High-Refractive-Index Gallium Sulfide Films with Single-Crystal Optical Properties
Aleksandr Slavich, Georgy Ermolaev, Dmitriy Grudinin +15
The integration of high-refractive-index dielectrics into scalable photonic architectures is foundational to advancing integrated circuits and augmented reality (AR) displays. Van…
Giant optical anisotropy and visible-frequency epsilon-near-zero in hyperbolic van der Waals MoOCl2
Georgy Ermolaev, Adilet Toksumakov, Aleksandr Slavich +13
The realization of extreme optical anisotropy is foundational to nanoscale light manipulation. Van der Waals (vdW) crystal MoOCl2 has emerged as a promising candidate for this ques…
Hyperbolic-enhanced Raman scattering in van der Waals MoOCl2: from Fano resonances to picomolar detection
Anton Minnekhanov, Gleb Tikhonowski, Georgy Ermolaev +13
Natural van der Waals (vdW) crystals with hyperbolic dispersion challenge artificial metamaterials but remain confined to the mid-infrared. The emergence of MoOCl2, a quasi-one-dim…
Record Index-Bandgap Trade-off: CdPS3 as a High-Index van der Waals Platform for Ultraviolet-Visible Nanophotonics
M. R. Povolotskiy, A. S. Slavich, G. A. Ermolaev +21
The development of nanophotonics is hindered by a fundamental trade-off between a material's refractive index (n) and its electronic bandgap (Eg), which severely restricts the choi…
Anisotropic Dielectric Function of Graphite Probed by Far- and Near-Field Spectroscopies
A. Toksumakov, G. Ermolaev, D. Grudinin +7
Graphite is a cornerstone material for revolutionary technologies, from energy storage to the entire field of two-dimensional materials. Despite its foundational role, the predicti…
Giant optical anisotropy in CrSBr from giant exciton oscillator strength
Georgy Ermolaev, Tagir Mazitov, Arslan Mazitov +18
The interplay between dimensionality and electronic correlations in van der Waals (vdW) materials offers a powerful toolkit for engineering light-matter interactions at the nanosca…
Laser-Synthesized Amorphous PdSe Nanoparticles: A Defect-Rich Platform for High-Efficiency SERS, Photocatalysis, and Photothermal Conversion
Andrei Ushkov, Nadezhda Belozerova, Dmitriy Dyubo +16
The control of material properties at the atomic scale remains a central challenge in materials science. Transition metal dichalcogenides (TMDCs) offer remarkable electronic and op…
Giant exciton binding energy in bulk CrCl3
Georgy Ermolaev, Tagir Mazitov, Anton Minnekhanov +20
Van der Waals (vdW) materials, with their unique combination of electronic, optical, and magnetic properties, are emerging as promising platforms for exploring excitonic phenomena.…
The influence of shot noise on the performance of phase singularity-based refractometric sensors
Valeria Maslova, Georgy Ermolaev, Evgeny S. Andrianov +3
Topological singularities of optical response functions -- such as reflection amplitudes -- enable elegant practical applications ranging from analog signal processing to novel mol…
Computational discovery of high-refractive-index van der Waals materials: The case of HfS
Xavier Zambrana-Puyalto, Mark Kamper Svendsen, Amalie H. Søndersted +9
New high-refractive-index dielectric materials may enhance many optical technologies by enabling efficient manipulation of light in waveguides, metasurfaces, and nanoscale resonato…
Tunable Nanostructuring for van der Waals Materials
Gleb Tselikov, Anton Minnekhanov, Georgy Ermolaev +19
Van der Waals (vdW) materials are becoming increasingly popular in scientific and industrial applications because of their unique mixture of record electronic, optical, and mechani…
Anisotropic van der Waals Crystal with High Refractive Index and Transparency for UV-Visible Range Applications
Aleksandr Slavich, Georgy Ermolaev, Ilya Zavidovskiy +20
Thanks to their record high refractive index and giant optical anisotropy, van der Waals (vdW) materials have accelerated the development of nanophotonics. However, traditional hig…
Chiral photonic super-crystals based on helical van der Waals homostructures
Kirill V. Voronin, Adilet N. Toksumakov, Georgy A. Ermolaev +9
Chirality is probably the most mysterious among all symmetry transformations. Very readily broken in biological systems, it is practically absent in naturally occurring inorganic m…
Exploring van der Waals materials with high anisotropy: geometrical and optical approaches
Aleksandr S. Slavich, Georgy A. Ermolaev, Mikhail K. Tatmyshevskiy +15
The emergence of van der Waals (vdW) materials resulted in the discovery of their giant optical, mechanical, and electronic anisotropic properties, immediately enabling countless n…
A hidden advantage of van der Waals materials for overcoming limitations in photonic integrated circuitry
Andrey A. Vyshnevyy, Georgy A. Ermolaev, Dmitriy V. Grudinin +11
With the advance of on-chip nanophotonics, there is a high demand for high refractive index, low-loss materials. Currently, this technology is dominated by silicon, but van der Waa…
Anomalous optical response of graphene on hexagonal boron nitride substrates
Adilet Toksumakov, Georgy Ermolaev, Mikhail Tatmyshevskiy +10
Graphene/hBN heterostructures can be considered as one of the basic building blocks for the next-generation optoelectronics mostly owing to the record-high electron mobilities. How…
Giant and tunable excitonic optical anisotropy in single-crystal CsPbX halide perovskites
G. A. Ermolaev, A. P. Pushkarev, A. Yu. Zhizhchenko +16
During the last years, giant optical anisotropy demonstrated its paramount importance for light manipulation which resulted in numerous applications ranging from subdiffraction lig…
High-refractive index and mechanically cleavable non-van der Waals InGaS3
Adilet N. Toksumakov, Georgy A. Ermolaev, Alexander S. Slavich +12
The growing families of two-dimensional crystals derived from naturally occurring van der Waals materials offer an unprecedented platform to investigate elusive physical phenomena…
Anapole states and scattering deflection effects in anisotropic van der Waals nanoparticles
Andrei A. Ushkov, Georgy A. Ermolaev, Andrey A. Vyshnevyy +3
Transition metal dichalcogenides (TMDCs), belonging to the class of van der Waals materials, are promising materials for optoelectronics and photonics. In particular, their giant o…
Transition metal dichalcogenide nanospheres for high-refractive-index nanophotonics and biomedical theranostics
G. I. Tselikov, G. A. Ermolaev, A. A. Popov +11
Recent developments in the area of resonant dielectric nanostructures has created attractive opportunities for the concentrating and manipulating light at the nanoscale and the est…
Topological phase singularities in atomically thin high-refractive-index materials
Georgy Ermolaev, Kirill Voronin, Denis G. Baranov +15
Atomically thin transition metal dichalcogenides (TMDCs) present a promising platform for numerous photonic applications due to excitonic spectral features, possibility to tune the…
Nonlinear exciton-Mie coupling in transition metal dichalcogenides nanoresonators
Ilya M. Antropov, Anna A. Popkova, Gleb I. Tselikov +10
Molybdenum disulfide (MoS2) is a layered material of transition metal dichalcogenides (TMDCs) with a high refractive index in the visible and infrared spectral range. Therefore, by…
Densification of Single-Walled Carbon Nanotube Films: Mesoscopic Distinct Element Method Simulations and Experimental Validation
Grigorii Drozdov, Igor Ostanin, Hao Xu +10
Nanometer thin single-walled carbon nanotube (CNT) films collected from the aerosol chemical deposition reactors have gathered attention for their promising applications. Densifica…
Ultrathin and ultrasmooth gold films on monolayer MoS2
Dmitry I. Yakubovsky, Yury V. Stebunov, Roman V. Kirtaev +5
Sub-10 nm continuous metal films are promising candidates for flexible and transparent nanophotonics and optoelectronics applications. In this Letter, we demonstrate that monolayer…