Eduard Ageev
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View article: Spectral physical unclonable functions: downscaling randomness with multi-resonant hybrid particles
Spectral physical unclonable functions: downscaling randomness with multi-resonant hybrid particles Open
Optical physical unclonable functions (PUFs) are state-of-the-art in advanced security applications. Fabricated with inherent randomness, they generate fingerprint-like responses, serving as trust anchors for material assets. However, the …
View article: A comparative study of plasmonic nanoparticles for targeted photothermal therapy of melanoma tumors using various irradiation modes
A comparative study of plasmonic nanoparticles for targeted photothermal therapy of melanoma tumors using various irradiation modes Open
Melanoma, a highly malignant and complex form of cancer, has increased in global incidence, with a growing number of new cases annually. Active targeting strategies, such as leveraging the α-melanocyte-stimulating hormone (αMSH) and its in…
View article: All-optical generation of static electric field in a single metal-semiconductor nanoantenna
All-optical generation of static electric field in a single metal-semiconductor nanoantenna Open
Electric field is a powerful instrument in nanoscale engineering, providing wide functionalities for control in various optical and solid-state nanodevices. The development of a single optically resonant nanostructure operating with a char…
View article: Single-step lithography-free fabrication of nanoscale broadband radiation sources
Single-step lithography-free fabrication of nanoscale broadband radiation sources Open
In this paper, we present a one-stage method for fabricating hybrid metal-dielectric nanostructures without the use of complex and expensive lithographic processes.The formation of arrays of nanoparticles occurs in the process of irradiati…
View article: Fluorescence-based thermometry for precise estimation of nanoparticle laser-induced heating in cancerous cells at nanoscale
Fluorescence-based thermometry for precise estimation of nanoparticle laser-induced heating in cancerous cells at nanoscale Open
Photothermal therapy (PTT) has attracted increasing interest as a complementary method to be used alongside conventional therapies. Despite a great number of studies in this field, only a few have explored how temperatures affect the outco…
View article: Coding of Non‐Linear White‐Light Luminescence from Gold‐Silicon Structures for Physically Unclonable Security Labels
Coding of Non‐Linear White‐Light Luminescence from Gold‐Silicon Structures for Physically Unclonable Security Labels Open
Luminescent security labels are effective platforms for protection of consumer goods from counterfeiting. However, the lifetimes of such security approaches are limited due to narrow‐band photoluminescent features of the label elements, wh…
View article: Femtosecond Laser-Assisted Formation of Hybrid Nanoparticles from Bi-Layer Gold–Silicon Films for Microscale White-Light Source
Femtosecond Laser-Assisted Formation of Hybrid Nanoparticles from Bi-Layer Gold–Silicon Films for Microscale White-Light Source Open
It is very natural to use silicon as a primary material for microelectronics. However, silicon application in nanophotonics is limited due to the indirect gap of its energy band structure. To improve the silicon emission properties, it can…
View article: Resonant Hybrid Metal–Dielectric Nanostructures for Local Color Generation
Resonant Hybrid Metal–Dielectric Nanostructures for Local Color Generation Open
Here, we experimentally and theoretically demonstrate a laser-induced change in local color based on the reshaping of gold–silicon asymmetric nanostructures. The evolution of scattering properties enabled by laser reshaping shows the poten…
View article: 3D Chiral MetaCrystals
3D Chiral MetaCrystals Open
Fine control of the chiral light–matter interaction at the nanoscale, by exploiting designed metamaterial architecture, represents a cutting‐edge craft in the field of biosensing, quantum, and classic nanophotonics. Recently, artificially …
View article: Fluorescence lifetime-based intracellular thermometry for photothermal therapy
Fluorescence lifetime-based intracellular thermometry for photothermal therapy Open
Photo-thermal therapy (PTT) is a rapidly developing approach for cancer treatment, that has greatly benefited from the tremendous advances in the synthesis of plasmonic nanoparticles (NPs), which can be used as light sensitive agents. This…
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: Fabrication of metal-dielectric nanoparticles from a bi-layer gold-silicon film by femtosecond laser-induced dewetting
Fabrication of metal-dielectric nanoparticles from a bi-layer gold-silicon film by femtosecond laser-induced dewetting Open
Today the world demand for the creation of highly efficient nanoscale white light sources is growing. It happens because energy-efficient information and communication systems are being developed, in which optical signals are replacing ele…
View article: Dielectric metasurface for emission control of magnetic dipole in the near-IR wavelength range
Dielectric metasurface for emission control of magnetic dipole in the near-IR wavelength range Open
Developing active dielectric systems is in high demand due to growing the internet of things. Such systems can control the optical properties of nanoemitters which leads to an increase in the performance of the telecommunication networks. …
View article: Three-Dimensional Chiral MetaCrystals
Three-Dimensional Chiral MetaCrystals Open
Fine control of the chiral light-matter interaction at the nanoscale, by exploiting designed metamaterial architecture, represents a cutting-edge craft in the field of biosensing, quantum and classic nanophotonics. Recently, artificially e…
View article: Femtosecond Laser Fabrication of Hybrid Metal-Dielectric Structures with Nonlinear Photoluminescence
Femtosecond Laser Fabrication of Hybrid Metal-Dielectric Structures with Nonlinear Photoluminescence Open
Fabrication of hybrid micro- and nanostructures with a strong nonlinear response is challenging and represents a great interest due to a wide range of photonic applications. Usually, such structures are produced by quite complicated and ti…
View article: Nonlinear optical properties of Sponge Si/Au nanoparticle
Nonlinear optical properties of Sponge Si/Au nanoparticle Open
Plasmon sponge nanostructures have occupied a special role in the field of plasmonics and nanophotonics: sensors and advanced source of white emission. If the pores of a golden spongy nanostructure are filled with silicon, the result will …
View article: Purcell effect control in active silicon dielectric nanoantenna for the near-IR wavelength range
Purcell effect control in active silicon dielectric nanoantenna for the near-IR wavelength range Open
Nowadays active light-emitting dielectric nanophotonics is one of the most rapidly developing research field. These nanosystems make possible to direct emission of a light source placed inside nanoantenna in the specific direction with low…
View article: Tuning of far-field and near-field via fs-laser in various hybrid oligomers
Tuning of far-field and near-field via fs-laser in various hybrid oligomers Open
Oligomers have attracted intense attention due to the mode interference. We have simulated the tuning effect of far- and near-field properties of four different compositions of hybrid metal/dielectric oligomers before and after the gold co…
View article: Laser annealing process for the tuning of the hybrid-sponge nanostructure photoluminescence
Laser annealing process for the tuning of the hybrid-sponge nanostructure photoluminescence Open
A hybrid-sponge nanostructure deserves special interest because of the use of a plasmon nanosponge as an amplification element of an optical pump that excites the photoluminescence semiconductor. A feature of the structure is the direct lo…
View article: Numerical modelling of scattering properties of tunable hybrid nanostructures
Numerical modelling of scattering properties of tunable hybrid nanostructures Open
Developments of optical data storage systems tend to arouse scientific interest as such systems can potentially provide a higher storage capacity compared to existing technologies. In this work, we are introducing results of optical proper…
View article: Laser-induced periodic surface structures with broadband photoluminescence signal
Laser-induced periodic surface structures with broadband photoluminescence signal Open
In this work, we demonstrate the fabrication of differently oriented laser-induced periodic surface structures (LIPSS) on hybrid metal-dielectric films. Dark-field and scanning electron microscopy images of obtained structures show a decre…
View article: Purcell effect control in oligomer based active nanoantenna for the near-IR wavelength range
Purcell effect control in oligomer based active nanoantenna for the near-IR wavelength range Open
Nowadays developing nanoscale photon sources with controllable optical properties in telecommunication wavelength is in high demand. Such devices can improve and increase the efficiency of modern telecommunication systems. Here we nu- meri…
View article: Optical resonant properties of plasmonic helices in visible range
Optical resonant properties of plasmonic helices in visible range Open
Optical resonant properties of plasmonic helix arrays fabricated by focused ion beam induced deposition have been experimentally investigated in scattering. The resonances have been studied under different polarizations of the incident lig…
View article: Plasmonic nanosponges filled with silicon for enhanced white light emission
Plasmonic nanosponges filled with silicon for enhanced white light emission Open
We have developed a novel nanophotonic design representing a plasmonic hybrid Au–Si nanosponge structure. The obtained results provide an understanding of the internal structure and physics of this hybrid nanosponge.
View article: Metal-dielectric nanoantenna for radiation control of a single-photon emitter
Metal-dielectric nanoantenna for radiation control of a single-photon emitter Open
The control of fluorescent properties of single-photon sources in solid-state host systems via optically resonant nanostructures is a key issue in quantum nanophotonics. Here we propose a design of a resonant metal-dielectric nanoantenna f…
View article: Controlled nanostructures formation on stainless steel by short laser pulses for products protection against falsification
Controlled nanostructures formation on stainless steel by short laser pulses for products protection against falsification Open
The coloration of stainless steel surface due to the formation of spatially periodic structures induced by laser pulses of nanosecond duration is demonstrated. The period of microstructures corresponds to the laser wavelength, and their or…
View article: Evolution of size distribution and structure of Si and SiO2 nanoparticles: laser-assisted formation and fragmentation
Evolution of size distribution and structure of Si and SiO2 nanoparticles: laser-assisted formation and fragmentation Open
In this work, Si and SiO2, nanoparticles (NPs) was prepared by pulsed laser ablation (PLA) in distilled water. The radiation of a ytterbium fiber laser (repetition rate f = 50 kHz, wavelength λ = 1064 nm and pulse duration τ = 8 ns and 100…
View article: Research of the entrance angle effect on the reflectance spectra of the stainless steel surface oxidized by pulsed laser radiation
Research of the entrance angle effect on the reflectance spectra of the stainless steel surface oxidized by pulsed laser radiation Open
Subject of Research.Oxide films on the metal surfaces can be obtained both by surface-uniform infrared heating and local laser treatment e.g. by sequence of nanosecond laser pulses. Due to interference in created films the coloration of tr…