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Broadband Tamm plasmons in chirped photonic crystals for light-induced water splitting / M. V. Pyatnov, R. G. Bikbaev, I. V. Timofeev [et al.] // Nanomaterials. - 2022. - Vol. 12, Is. 6. - Ст. 928, DOI 10.3390/nano12060928. - Cited References: 41 . - ISSN 2079-4991
Кл.слова (ненормированные):
water splitting -- plasmon catalysis -- solar-to-hydrogen efficiency -- photocurrent
Аннотация: An electrode of a light-induced cell for water splitting based on a broadband Tamm plasmon polariton localized at the interface between a thin TiN layer and a chirped photonic crystal has been developed. To facilitate the injection of hot electrons from the metal layer by decreasing the Schottky barrier, a thin n-Si film is embedded between the metal layer and multilayer mirror. The chipping of a multilayer mirror provides a large band gap and, as a result, leads to an increase in the integral absorption from 52 to 60 percent in the wavelength range from 700 to 1400 nm. It was shown that the photoresponsivity of the device is 32.1 mA/W, and solar to hydrogen efficiency is 3.95%.

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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Institute of Computer Modelling, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Pyatnov, M. V.; Пятнов, Максим Владимирович; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Ryzhkov, I. I.; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович
}
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Chiral optical Tamm state at the interface between multilayer polarization-preserving anisotropic mirror and cholesteric / N. V. Rudakova [et al.] // The 4th Asian Conference on Liquid Crystals (ACLC 2019) : abstracts. - 2019. - P. . - Библиогр.: 4

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Доп.точки доступа:
Rudakova, N. V.; Рудакова, Наталья Викторовна; Timofeev, I. V.; Тимофеев, Иван Владимирович; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Pyatnov, M. V.; Пятнов, Максим Владимирович; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Chen, K.-P.; Lee, W.; Asian Conference on Liquid Crystals(4 ; 2019 ; Jan. 17-18 ; Shenzhen, China)
}
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Chiral optical Tamm states at the interface between a Dye-doped cholesteric liquid crystal and an anisotropic mirror / A. Yu. Avdeeva, S. Ya. Vetrov, R. G. Bikbaev [et al.] // Materials. - 2020. - Vol. 13, Is. 15. - Ст. 3255, DOI 10.3390/ma13153255. - Cited References: 44. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No. 19-42-240004 and by Russian Foundation for Basic Research, project No. 19-52-52006 . - ISSN 1996-1944

РУБ Materials Science, Multidisciplinary
Рубрики:
PHASE
POLARIZATION
MODES
Кл.слова (ненормированные):
localization of light -- photonic crystals -- chirality -- dye-doped cholesteric liquid crystal -- optical Tamm states -- resonant frequency dispersion
Аннотация: The resonant splitting of optical Tamm state numerically is demonstrated. The Tamm state is localized at the interface between a resonant chiral medium and a polarization-preserving anisotropic mirror. The chiral medium is considered as a cholesteric liquid crystal doped with resonant dye molecules. The article shows that the splitting occurs when dye resonance frequency coincides with the frequency of the Tamm state. In this case the reflectance, transmittance, and absorptance spectra show two distinct Tamm modes. For both modes, the field localization is at the interface between the media. The external field control of configurable optical and structural parameters paves the way for use in tunable chiral microlaser.

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Публикация в сборнике Soft photonic crystals and metamaterials [Текст] / ed., pref.: I. V. Timofeev, W. Lee, 2022. - VII с. ; 127 с. (Введено оглавление)

Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Avdeeva, A. Yu.; Авдеева, Анастасия Юрьевна; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Pyatnov, M. V.; Пятнов, Максим Владимирович; Rudakova, N. V.; Рудакова, Наталья Викторовна; Timofeev, I. V.; Тимофеев, Иван Владимирович; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund [19-42-240004]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-52-52006]
}
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Chiral optical Tamm states at the interface between an all-dielectric polarization-preserving anisotropic mirror and a cholesteric liquid crystal / N. V. Rudakova [et al.] // Crystals. - 2019. - Vol. 9, Is. 10. - Ст. 502, DOI 10.3390/cryst9100502. - Cited References: 48. - Russian Foundation for Basic Research (RFBR), Russia, grant No. 19-52-52006; Ministry of Science and Technology, Taiwan (MOST), grant No. 106-2923-M-009-002-MY3; M.V.P. thanks RFBR and KRSTSF for the research Project No. 18-42-243025. . - ISSN 2073-4352
Кл.слова (ненормированные):
Optical Tamm state -- Cholesteric liquid crystal -- Polarization-preserving anisotropic mirror
Аннотация: As a new localized state of light, the chiral optical Tamm state exists at the interface between a polarization-retaining anisotropic mirror and a substance with optical activity. Considering a hybrid structure comprising a metal-free polarization-preserving mirror and a cholesteric liquid crystal, we highlight the high Q factor arising from the all-dielectric framework. The intensity of localized light decreases exponentially with increasing distance from the interface. The penetration of the field into the cholesteric liquid crystal is essentially prohibited for wavelengths lying in the photonic bandgap and close to the cholesteric pitch length. The dielectric mirror has its own photonic bandgap. The energy transfer along the interface can be effectively switched off by setting the tangential wave vector to zero. The spectral behavior of the chiral optical Tamm state is observed both as reflection and transmission resonance. This Fano resonance is analogous to the Kopp-Genack effect. Our analytics are well in line with precise calculations, which may pave a new route for the future development of intelligent design for laser and sensing applications.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Institute of Imaging and Biomedical Photonics, College of Photonics, National Chiao Tung University, Tainan, 71150, Taiwan

Доп.точки доступа:
Rudakova, N. V.; Рудакова, Наталья Викторовна; Timofeev, I. V.; Тимофеев, Иван Владимирович; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Pyatnov, M. V.; Пятнов, Максим Владимирович; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Lee, W.
}
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Pyatnov, M. V.
Coupled chiral optical Tamm states in liquid crystals / M. V. Pyatnov, I. V. Timofeev, S. Ya. Vetrov // The 4th Asian Conference on Liquid Crystals (ACLC 2019) : abstracts. - 2019. - Ст. P-78. - Библиогр.: 3

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Доп.точки доступа:
Timofeev, I. V.; Тимофеев, Иван Владимирович; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Пятнов, Максим Владимирович; Asian Conference on Liquid Crystals(4 ; 2019 ; Jan. 17-18 ; Shenzhen, China)
}
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Орешонков, Александр Сергеевич.
DFT-моделирование спектров КРС монослоёв XMoY (X=S, Se; Y=Se, Te, O) / А. С. Орешонков, З. И. Попов // Енисейская фотоника-2022 : тезисы докладов : в 2-х т. / Сиб. федер. ун-т [и др.]. - Красноярск, 2022. - Т. 1, Секция 1 : Новые оптические материалы. - С. 89. - Библиогр.: 2 . - ISBN 978-5-6045250-1-2
Аннотация: В работе выполнено численное моделирование спектров комбинационного рассеяния света монослоёв XMoY (X=S, Se; Y=Se, Te, O). Валидность используемого подхода подтверждена путём сравнения полученных спектров с имеющимися экспериментальными данными. Проанализированы как графеноподобные 1H и 1T фазы, так и монослои со структурами 1Tʹ, 1Hʹ, 1Aʹ и 1S.

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Архипкин, Василий Григорьевич \чл. прогр. ком.\; Arkhipkin, V. G.; Втюрин, Александр Николаевич \чл. прогр. ком., зам. предс. орг. ком.\; Vtyurin, A. N.; Вьюнышев, Андрей Михайлович \чл. прогр. ком., чл. орг. ком.\; Vyunishev, A. M.; Зырянов, Виктор Яковлевич \чл. прогр. ком.\; Zyryanov, V. Ya.; Карпов, Сергей Васильевич \чл. прогр. ком.\; Karpov, S. V.; Садреев, Алмаз Фаттахович \чл. прогр. ком.\; Sadreev, A. F.; Тимофеев, Иван Владимирович \чл. орг. ком., чл. прогр. ком.\; Timofeev, I. V.; Панкин, Павел Сергеевич \чл. орг. ком.\; Pankin, P. S.; Пятнов, Максим Владимирович \чл. орг. ком.\; Pyatnov, M. V.; Попов, Захар Иванович; Popov, Z. I.; Oreshonkov, A. S.; Сибирский федеральный университет; Российская академия наук; Сибирское отделение РАН; Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук"; Институт физики им. Л.В. Киренского Сибирского отделения РАН; Всероссийская научная конференция с международным участием "Енисейская фотоника-2022"(2 ; 2022 ; 19-24 сент. ; Красноярск); "Енисейская фотоника", Всероссийская научная конференция с международным участием(2 ; 2022 ; 19-24 сент. ; Красноярск)
}
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Hybrid Tamm-cavity modes in photonic crystal with resonant nanocomposite defect layer / S. Y. Vetrov, A. Y. Avdeeva, M. V. Pyatnov, I. V. Timofeev // Комп. оптика. - 2020. - Т. 44, № 3. - С. 319-324 ; Comput. Opt., DOI 10.18287/2412-6179-CO-637. - Библиогр.: 32. - This research was funded by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research Project No 18-42-243025 . - ISSN 0134-2452
Кл.слова (ненормированные):
Photonic crystals -- Nanocomposite -- Microcavities -- Localized modes
Аннотация: Hybrid optical modes in a one-dimensional photonic crystal with a resonant nanocomposite defect bounded by a metallic layer are studied. The nanocomposite consists of spherical metallic constituents, that are distributed in a dielectric matrix. Transmittance, reflectance, and absorbance spectra of this structure, which is shined by light with normal incidence, are calculated. The possibility of control of the hybrid modes spectral characteristics by changing the thickness of the layer adjacent to the metal, the number of layers, and the nanocomposite filling factor is shown.

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Держатели документа:
Siberian Federal University, pr. Svobodny 79, Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Vetrov, S. Ya.; Ветров, Степан Яковлевич; Avdeeva, A. Yu.; Авдеева, Анастасия Юрьевна; Pyatnov, M. V.; Пятнов, Максим Владимирович; Timofeev, I. V.; Тимофеев, Иван Владимирович

}
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Model of a tunable hybrid Tamm mode-liquid crystal device / M. V. Pyatnov, R. G. Bikbaev, I. V. Timofeev, S. Y. Vetrov // Appl. Optics. - 2020. - Vol. 59, Is. 21. - P. 6347-6351, DOI 10.1364/AO.395901. - Cited References: 37. - Russian Foundation for Basic Research (19-52-52006) . - ISSN 1559-128X. - ISSN 2155-3165

РУБ Optics
Рубрики:
PLASMON
   PHASE
   SENSOR
   STATES
Аннотация: A concept of an easily tunable device based on hybrid Tamm modes is proposed. The device can be controlled using a high-sensitivity chiral liquid crystal serving as a mirror. The coupling of the chiral optical Tamm state with the Tamm plasmons is predicted. The Tamm plasmons are excited at different frequencies for the orthogonal linear polarizations, while the chiral Tamm state is excited at only one frequency. The properties of the proposed model are analytically and numerically calculated. The possibility of creating a two- and three-mode laser with tunable characteristics on the basis of the proposed model is discussed.

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Держатели документа:
Russian Acad Sci, Fed Res Ctr, Kirensky Inst Phys, Siberian Branch,Krasnoyarsk Sci Ctr, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Pyatnov, M. V.; Пятнов, Максим Владимирович; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-52-52006]
}
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Vetrov, S. Ya.
Photonic defect modes in a cholesteric liquid crystal with a resonant nanocomposite layer and a twist defect / S. Y. Vetrov, M. V. Pyatnov, I. V. Timofeev // Phys. Rev. E. - 2014. - Vol. 90, Is. 3. - Ст. 32505, DOI 10.1103/PhysRevE.90.032505. - Cited References: 36. - This work was partially supported by Grants No. 43, No. 101, and No. 24.29 of SB RAS; Russian Fund of Fundamental Research Grant No. 14-02-31248; Russian Ministry of Education and Science under the Government program, Project No. 3.1276.2014/K; Grant of the President of the Russian Federation Grant No. MK-250.2013.2, and the NSCT-SB RAS joint project. . - ISSN 1539-3755. - ISSN 1550-2376

РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
OPTICAL-PROPERTIES
   GENERATION
   MEDIA
   FILMS
Аннотация: We have studied spectral properties of a cholesteric liquid crystal with a combined defect consisting of a nanocomposite layer and a twist. The nanocomposite layer is made of metallic nanoballs dispersed in a transparent matrix and featuring effective resonant permittivity. A solution has been found for the transmission spectrum of circularly polarized waves in the structure. We have analyzed spectral splitting of the defect mode in the band gap of the cholesteric when its frequency coincides with the nanocomposite resonant frequency. Defect modes have characteristics strongly dependent on the magnitude and the sign of the phase difference of the cholesteric helix on both sides of the defect layer. It has been found that the band gap width and the position and localization degree of defect modes can be effectively controlled by external fields applied to the cholesteric.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia
Krasnoyarsk State Med Univ, Krasnoyarsk 660022, Russia
Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Pyatnov, M. V.; Пятнов, Максим Владимирович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Ветров, Степан Яковлевич; SB RAS [43, 101, 24.29]; Russian Fund of Fundamental Research Grant [14-02-31248]; Russian Ministry of Education and Science under the Government program [3.1276.2014/K]; Russian Federation [MK-250.2013.2]; NSCT-SB RAS joint project
}
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10.

Tamm plasmons in TiO2 nanotube photonic crystals / M. V. Pyatnov, R. G. Bikbaev, I. V. Timofeev [et al.] // Photonics. - 2023. - Vol. 10, Is. 1. - Ст. 64, DOI 10.3390/photonics10010064. - Cited References: 40. - This research was funded by Russian Science Foundation and Krasnoyarsk Regional Fund of Science, project № 22-22-20078, https://rscf.ru/project/22-22-20078/ (accessed on 01 January 2023) . - ISSN 2304-6732
Кл.слова (ненормированные):
photonic crystals -- titanium dioxide -- absorbers -- anodization
Аннотация: The anodic TiO2 photonic crystals evoke great interest for application as photocatalytic media due to high absorption of light resuling from their specific structure. In this work, the optical properties of the photonic crystal based on a bamboo-type TiO2 nanotube with a metallic coating are analyzed theoretically by the finite-difference time-domain method. The occurrence of Tamm plasmons that appears as a peak in the absorption spectrum is predicted. A Tamm plasmon polariton is a localized state of light excited at the boundary of two highly reflective media, a metal and a Bragg reflector. The integral absorption of the gold-, titanium-, and titanium nitride-coated photonic crystals in the wavelength range of 450–600 nm is calculated. It is established that the titanium nitride-coated structure exhibits the maximum integral absorption.

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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, 660036 Krasnoyarsk, Russia
Siberian Federal University, 660041 Krasnoyarsk, Russia
Institute of Computational Modelling, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, 660036 Krasnoyarsk, Russia

Доп.точки доступа:
Pyatnov, M. V.; Пятнов, Максим Владимирович; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Ryzhkov, Ilya I.; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович
}
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