Г. А. Романенко

ORCID: 0009-0004-5384-6170
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About
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Research Areas
  • Photonic Crystals and Applications
  • Liquid Crystal Research Advancements
  • Photonic and Optical Devices
  • Food Industry and Aquatic Biology
  • Semiconductor Lasers and Optical Devices
  • Agricultural Productivity and Crop Improvement
  • Plasmonic and Surface Plasmon Research
  • Agriculture and Biological Studies
  • Adsorption, diffusion, and thermodynamic properties of materials
  • Engineering Technology and Methodologies
  • Animal Nutrition and Health
  • Advanced Polymer Synthesis and Characterization
  • Metamaterials and Metasurfaces Applications
  • Legume Nitrogen Fixing Symbiosis
  • Advanced Theoretical and Applied Studies in Material Sciences and Geometry
  • Medical and Biological Sciences
  • Photoreceptor and optogenetics research
  • Agricultural Development and Policies
  • Photosynthetic Processes and Mechanisms
  • Light effects on plants
  • Geological Studies and Exploration
  • Aquatic and Environmental Studies
  • Water Resources and Management
  • TiO2 Photocatalysis and Solar Cells
  • Agricultural and Financial Auditing

ITMO University
2023-2024

Peter the Great St. Petersburg Polytechnic University
2023-2024

Krasnoyarsk Scientific Center
2022-2023

Institute of Physics
2022-2023

Siberian State Technological University
2022-2023

Siberian Branch of the Russian Academy of Sciences
2023

Russian Academy of Sciences
2017

A photonic crystal microcavity with a tunable quality factor (Q factor) has been implemented on the basis of bound state in continuum using advanced liquid cell technology platform. It shown that Q changes from 100 to 360 voltage range 0.6 V.

10.1364/ol.479431 article EN Optics Letters 2023-02-21

A photonic crystal microcavity with the liquid resonant layer tunable by heating has been implemented. The multiple vanishing lines corresponding to optical bound states in continuum are observed. abrupt change linewidth near point can be used for temperature sensing.

10.1103/physreve.109.054703 article EN Physical review. E 2024-05-10

It is demonstrated that coupling between a Tamm plasmon polariton and the microcavity mode in vicinity of bound state continuum results hybrid Tamm-microcavity modes with tunable Q factor.

10.1039/d3nr03241h article EN Nanoscale 2023-01-01

We consider a layered metal–dielectric microcavity with liquid crystal used as resonator layer. The transformation of the spectra is shown experimentally using three methods, namely, mechanical rotation sample, heating, and applying external voltage. obtained exhibit multiple vanishing resonant lines. It found lines are not spectral manifestation bound state in continuum for this system. Despite absence true states continuum, an experimental tuning resonance Q factor via changing radiation...

10.1063/5.0157430 article EN Applied Physics Letters 2023-08-07

A comprehensive approach for simulating lasing dynamics in a liquid crystal based laser is presented. The takes into account the transformation of structure caused by applied voltage. In particular, it allows us to explicitly resonant mode frequency shift equations. dynamic described set coupled non-linear differential equations dye polarizations, population densities and electromagnetic fields. proposed model photonic crystal$-$metal microcavity filled with nematic layer doped dye....

10.48550/arxiv.2412.03282 preprint EN arXiv (Cornell University) 2024-12-04

In this work, nanocomposite photoelectrodes of the TiO2/ Au composition were manufactured, in which size plasmonic nanoparticles was varied, and morphology TiO2 layer, depending on thickness, changed from an island to a continuous layer. The influence layer optical photoelectrochemical characteristics hybrid studied. It has been shown that coating with (layer thickness 10 15 nm) leads decrease photoelectric response, photocurrent density photoconversion efficiency decreases proportion...

10.20944/preprints202312.1773.v1 preprint EN 2023-12-25

A photonic crystal microcavity with the tunable Q factor has been implemented on basis of a bound state in continuum using advanced liquid cell technology platform. It shown that changes from 100 to 360 voltage range 0.6 V.

10.1364/opticaopen.21988787.v1 preprint EN 2023-02-07

A photonic crystal microcavity with the tunable Q factor has been implemented on basis of a bound state in continuum using advanced liquid cell technology platform. It shown that changes from 100 to 360 voltage range 0.6 V.

10.1364/opticaopen.21988787 preprint EN 2023-02-07

The microcavity in the form of a liquid crystal defect layer embedded one-dimensional photonic is considered. mode has tunable radiation decay rate vicinity bound state continuum. It demonstrated that coupling between and Tamm plasmon polariton results hybrid Tamm-microcavity modes with Q factor. measured spectral features are explained framework temporal coupled theory.

10.48550/arxiv.2306.08455 preprint EN other-oa arXiv (Cornell University) 2023-01-01

A photonic crystal microcavity with the liquid resonant layer tunable by heating has been implemented. The multiple vanishing lines corresponding to optical bound states in continuum are observed. abrupt behaviour of linewidth near point can be used for temperature sensing.

10.48550/arxiv.2307.01628 preprint EN other-oa arXiv (Cornell University) 2023-01-01

The Republic of Altai has a large length watercourses and significant areas lakes fishery importance. collection materials was carried out in the field season 2018 on lakes: Uch-Kol (Three Lakes), Kamyshevoye Lake without name, located within borders Kosh-Agach district Republic. Research covered entire water area. In course research it noted that consists three successive basins with total area 7.9 hectares. upper lake basin an 5.5 average 1.8 lower 0.6 ha. Higher aquatic vegetation pond is...

10.31677/2311-0651-2019-24-2-94-101 article EN cc-by Innovations and Food Safety 2020-07-02

It is shown that in the chloroplast periodic structure with a defect, resonant absorption of light can be implemented. found depends significantly on position defect. In terms energy, an asymmetric resonator more efficient than symmetric one.

10.1364/josab.477110 article EN Journal of the Optical Society of America B 2022-11-21
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