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Pichugin, K. N.
A series of avoided crossings of resonances in the system of several different dielectric resonators results in giant Q-factors / K. Pichugin, A. Sadreev, E. Bulgakov // Photonics. - 2023. - Vol. 10, Is. 9. - Ст. 973, DOI 10.3390/photonics10090973. - Cited References: 64. - This work is supported by the Russian Science Foundation under grant 22-12-00070 . - ISSN 2304-6732
Кл.слова (ненормированные):
resonant modes -- avoided crossing -- high Q-factor
Аннотация: On an example of a system of three/four/five/six different coupled coaxial silicon disks, we realize a series of avoided crossings of resonances (ACRs) with respect to the different morphologies for the different scales of each disk. Each next step of ACR accompanied by the optimization processes of all previous ACRs contributes almost one order of magnitude to the Q-factor. As a result, we achieve unprecedented values for the Q-factors: 6.6·104 for three, 4.8·106 for four, 8.5·107 for five and several billions for six free standing silicon disks. Comparisons to such prominent methods as whispering gallery modes or quasi bound states in the continuum to boost the Q-factor demonstrate the tremendous advantage of the present approach not only in terms of Q-factor values but also in terms of mode volumes. Multipole analysis of the final hybridized resonant mode explains such extremely large Q-factor values. The analysis shows a strong redistribution of radiation owing to the almost-exact destructive interference of the dominating complex multipole radiation amplitudes.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Bulgakov, E. N.; Булгаков, Евгений Николаевич; Пичугин, Константин Николаевич
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    Bukhanov, E. R.
    A study of wheat wax optical properties / E. R. Bukhanov, Y. L. Gurevich, K. A. Shabanova // Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall) : IEEE, 2019. - P. 2890-2897. - (Progress in Electromagnetics Research Symposium), DOI 10.1109/PIERS-Fall48861.2019.9021781. - Cited References: 36
   Перевод заглавия: Изучение оптических свойств воска пшеницы

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
DIMENSIONAL PHOTONIC CRYSTALS
BLUE-GREEN FLUORESCENCE
Аннотация: Epicuticular waxes are a multifunctional interface between a plant and the environment. In this paper wheat leaves wax has been studied. Wax isolation was carried out using the method of gradual freezing in water followed by slow thawing. The morphology of the samples obtained was observed with a Hitachi SU3500 electron microscope. The structure period is determined by the nanotubes diameter which equals 150-200 nm. Random orientation of their long axes in the layer allows using a one-dimensional model to calculate the transmission spectrum of a photonic crystal with the help of the transfer matrix method. While making the calculations a defect that may be caused by possible interlayer heterogeneity also must be taken into account. Numerical modeling made it possible to identify the stop zone and the defective mode. Intense fluorescence appears in the optical area of the wax layer under ultraviolet radiation, thus increasing the efficiency of photosynthesis.

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Держатели документа:
Kirensky Inst Phys Fed Res Ctr KSC SB RAS, Krasnoyarsk, Russia.
Fed Res Ctr KSC SB RAS, Krasnoyarsk, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk, Russia.

Доп.точки доступа:
Gurevich, Y. L.; Shabanova, K. A.; Буханов, Евгений Романович; Photonics and Electromagnetics Research Symposium - Fall(2019 ; Dec 17-20 ; Xiamen, China)
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    All-dielectric photonic crystal microcavity with electrically tunable Q-factor / A. I. Krasnov, P. S. Pankin, D. S. Buzin [et al.] // 9th International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures : book of abstracts. - Saint-Petersburg, 2022. - Cited References: 3
   Перевод заглавия: Полностью диэлектрический фотоннокристаллический микрорезонатор с электрически управляемой добротностью

Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk 660036, Russia
Siberian Federal University, Krasnoyarsk 660041, Russia
Siberian State University of Science and Technology, Krasnoyarsk 660037, Russia
AO NPP Radiosvyaz, 660021 Krasnoyarsk, Russia

Доп.точки доступа:
Krasnov, A. I.; Pankin, P. S.; Панкин, Павел Сергеевич; Buzin, D. S.; Romanenko, G. A.; Sutormin, V. S.; Сутормин, Виталий Сергеевич; Nabol, S. V.; Zelenov, F. V.; Masyugin, A. N.; Ветров, Степан Яковлевич; Vetrov, S. Ya.; Timofeev, I. V.; Тимофеев, Иван Владимирович; International School and Conference on optoelectronics, photonics, engineering and nanostructures(9 ; 2022 ; 24-27 May ; Saint Petersburg); Высшая школа экономики, НИУ; Санкт-Петербургский национальный исследовательский Академический университет имени Ж.И. Алфёрова Российской академии наук
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Angle-resolved reflection spectroscopy of high-quality PMMA opal crystal / I. V. Nemtsev [et al.] // Photonics Nanostruc. Fundam. Appl. - 2018. - Vol. 28. - P. 37-44, DOI 10.1016/j.photonics.2017.11.007. - Cited References: 72. - This study was supported by the Russian Foundation for Basic Research (Grant No. 16-32-00302 мол_а ), by the Council for Grants of the President of the Russian Federation ( SP-317.2015.1 ), by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No. 16-42-243059 р_мол_а and No. 16-48-242092 р_офи_м, and by the Program of Foundation for Promotion of Small Enterprises in Science and Technology (No.6662ГУ2015) (“УМНИК” program). We acknowledge the support of Krasnoyarsk Regional Center for Collective Use of SB of RAS for equipment and technique. We thank A. V. Shabanov and O. V. Shabanova for assistance in dispersion preparation. We also thank V. G. Myagkov for useful discussion of the results. . - ISSN 1569-4410
Кл.слова (ненормированные):
PMMA opal -- Photonic crystal -- Electron microscopy -- Angular resolved reflective spectroscopy
Аннотация: PMMA opal crystal was prepared by a simple hybrid method, which includes sedimentation, meniscus formation and evaporation. We investigated three surfaces of this crystal by angle-resolved reflective light spectroscopy and SEM study. The angle-resolved reflective measurements were carried out in the 400–1100 nm range. We have determined the high-quality ordered surface of the crystal region. Narrow particle size distribution of the surface has been revealed. The average particle diameter obtained with SEM was nearly 361 nm. The most interesting result was that reflectivity of the surface turned out up to 98% at normal light incidence. Using a fit of dependences of the maximum reflectivity wavelength from an angle based on the Bragg–Snell law, the wavelength of maximum 0° reflectivity, the particle diameter and the fill factor have been determined. For the best surface maximum reflectivity wavelength of a 0° angle was estimated to be 869 nm. The particle diameter and fill factor were calculated as 372 nm and 0.8715, respectively. The diameter obtained by fitting is in excellent agreement with the particle diameter obtained with SEM. The reflectivity maximum is assumed to increase significantly when increasing the fill factor. We believe that using our simple approach to manufacture PMMA opal crystals will significantly increase the fabrication of high-quality photonic crystal templates and thin films

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Держатели документа:
Federal Research Centre Krasnoyarsk Scientific Center of the Siberian Branch of Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Centre Krasnoyarsk Scientific Center of the Siberian Branch of Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Nemtsev, I. V.; Немцев, Иван Васильевич; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич
}
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    Anomalous spectral shift of o-modes in multilayer photonic structure induced by homeotropic–homeoplanar transition in chiral–nematic defect layer / V. A. Gunyakov, V. S. Sutormin, I. V. Timofeev [et al.] // Photonics. - 2023. - Vol. 10, Is. 9. - Ст. 959, DOI 10.3390/photonics10090959. - Cited References: 39 . - ISSN 2304-6732
   Перевод заглавия: Аномальный спектральный сдвиг о-мод в мультислойной фотонной структуре индуцированный переходом от гомеотропной к гомеопланарной конфигурации в хиральном нематическом дефектном слое
Кл.слова (ненормированные):
liquid crystal -- hybrid aligned cholesteric -- ionic surfactant -- multilayer photonic structure -- geometric phase
Аннотация: A chiral nematic is embedded between multilayer mirrors to obtain voltage-inducible polarized resonance spectra. Initially, the nematic director is uniformly oriented perpendicular to the mirrors’ surfaces because the chiral nematic helix is completely untwisted due to the homeotropic boundary conditions specified by the adsorbed cations. Then, a voltage is applied to remove the layer of surface-active cations from the input mirror. The obtained twisted homeoplanar configuration has a helix pitch exceeding the layer’s thickness. The twisting leads to the anomalous blue shift of the o-modes in the transmittance spectrum of the photonic structure. This blue shift can be effectively compensated by repulsion of spectral peaks as a result of mode coupling in the vicinity of the virtual avoided crossing point. The experimental results obtained are confirmed numerically using the 4 ˣ 4 transfer matrix method and explained with the contribution of a geometric phase.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Gunyakov, V. A.; Гуняков, Владимир Алексеевич; Sutormin, V. S.; Сутормин, Виталий Сергеевич; Timofeev, I. V.; Тимофеев, Иван Владимирович; Shabanov, V. F.; Шабанов, Василий Филиппович; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич
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Popov, A. K.
Backward-wavphase-matching in spatially dispersive metamaterials / A. K. Popov, I. S. Nefedov, S. A. Myslivets // Int. Conf. on Nano-photonics and Nano-electronics (ICNN2017). - 2017. - Ст. P01

Материалы конференции

Доп.точки доступа:
Nefedov, I. S.; Myslivets, S. A.; Мысливец, Сергей Александрович; International Conference on Nano-photonics and Nano-electronics(2017 ; April 18-21 ; Yokohama, Japan)
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Khodenkov, S. A.
Band-pass filters based on photonic crystal / S. A. Khodenkov, I. A. Yushkov // J. Phys. Conf. Ser. - 2017. - Vol. 917, Is. 6. - Ст. 062043, DOI 10.1088/1742-6596/917/6/062043. - Cited References: 5. - This study was supported by the Ministry of Education and Science of the Russian Federation, grant МК-9119.2016.8. . - ISSN 1742-6588
Кл.слова (ненормированные):
Amplitude frequency characteristics -- Connection coefficients -- Glass substrates -- High contrast -- High frequency HF -- Periodic interchange -- Relative bandwidth -- Ultra-wideband filters
Аннотация: Multilayer photonic crystal structures with bleaching layers are being investigated. In order to calculate the characteristics of ultra-wideband filters on their basis, T-lines lossless model was used. Amplitude-frequency characteristics for the synthesized filters of 5th, 11th and 17th orders are given. It is proved that by a significant increase in filter N order, the difference between the connection coefficients of central resonators' layers' becomes negligible. This makes it possible to develop 27-order filter, in which almost half of the layers are realized by periodic interchange of only two identical high-contrast materials. The investigated band-pass filters, including the ones on a glass substrate, have high frequency-selective properties at a relative bandwidth of 80%.

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Доп.точки доступа:
Yushkov, I. A.; Юшков, И. А.; International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures(4 ; 2017 ; 3-6 April ; Saint Petersburg); Saint Petersburg OPEN, International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures(4 ; 2017 ; 3-6 Apr. ; Saint Petersburg)
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Berreman 4 x 4 matrix method for light propagation in a one-dimensional photonic crystal with a twisted-nematic defect layer [Text] / A. J. Archibald, Y. -T. Lin, V. Ya. Zyryanov, W. Lee // Int. Photonics Conf. : Paper in Proceedings. - 2011. - P125

Доп.точки доступа:
Archibald, A.J.; Lin, Y.-T.; Zyryanov, V.Ya.; Lee, W.; International Photonics Conference(December 8-10, 2011 ; Tainan, Taiwan)
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Biosensors based on nanowire field effect transistors with Schottky contacts / T. E. Smolyarova [et al.] // J. Phys.: Conf. Ser. - 2019. - Vol. 1410. - Ст. 012013, DOI 10.1088/1742-6596/1410/1/012013. - Cited References: 29. - This study was supported by the Russian Foundation for Basic Research, project no. 18-32-00035 and supported in part by the Ministry of Education and Science of the Russian Federation and the Siberian Branch of the Russian Academy of Sciences, project II.8.70, and the Presidium of the Russian Academy of Sciences, Fundamental Research Program no. 32 «Nanostructures: Physics, Chemistry, Biology, Basics of Technologies». . - ISSN 1742-6588. - ISSN 1742-6596

РУБ Crystal growth and structural properties of semiconductor materials and nanostructures

Аннотация: A top-down nanofabrication approach was used to obtain silicon nanowires from silicon-on-insulator wafers using direct-write electron beam lithography and plasma-reactive ion etching. Fabricated with designed pattern silicon nanowires are 0.4, 0.8, 2 μm in width and 100 nm in height. The devices can be applied in future medical diagnostic applications as novel biosensors with detection principle based on the changes in electrical characteristics of the silicon nanowires functionalized with thiol-containing molecules.

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Держатели документа:
Krasnoyarsk Science Center SB RAS, Krasnoyarsk 660036, Russia
Kirensky Institute of Physics, Krasnoyarsk 660036, Russia
Siberian Federal University, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Smolyarova, T. E.; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Tarasov, A. S.; Тарасов, Антон Сергеевич; Shanidze, L. V.; Baron, F. A.; Барон, Филипп Алексеевич; Zelenov, F. V.; Зеленов, Ф. В.; Yakovlev, I. A.; Яковлев, Иван Александрович; Volkov, N. V.; Волков, Никита Валентинович; International School and Conference on optoelectronics, photonics, engineering and nanostructures(6 ; 2019 ; 22-25 April ; Saint Petersburg)
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10.

Brownian dynamics of the self-assembly of complex nanostructures in the field of quasi-resonant laser radiation / V. S. Kornienko [et al.] // Photonics Nanostruc. Fundam. Appl. - 2019. - Vol. 35. - Ст. 100707, DOI 10.1016/j.photonics.2019.100707. - Cited References: 32. - The reported study was funded by Russian Science Foundation (Grant 18-72-00003 ). V.V. Slabko is grateful for the support from the Ministry of Education and Science of the Russian Federation (Grant 3.6341.2017/VU ). . - ISSN 1569-4410
Кл.слова (ненормированные):
Dipole-dipole interaction -- Laser field -- Brownian dynamics -- Self-assembly of nanostructures -- Colloidal crystals
Аннотация: Self-assembly of nanoparticles under the action of laser field can be an universal method for the formation of nanostructures with specific properties for application in sensorics and nanophotonics. For prognosis of the self-assembly processes, the model of movement of an ensemble of nanoparticles in a viscous media under the action of laser radiation with the account for interaction of laser-induced polarizations and Brownian dynamics is developed. This model is applied to the investigation of the self-assembly process of a triple of nanoparticles into three-particle structure with a predetermined geometry.Two specific cases of formation of nanostructure from a preliminarily formed pair of particles are studied: either for the pair fixed in space or from the unfixed pair of nanoparticles. The geometry of resulting nanostructures is shown to be determined by the polarization direction of laser radiation and the laser wavelength. Under proper choice of these parameters the formation of structures is shown to be highly efficient. E. g., maximum probability of structures formation is as hig as 36–46% per single laser pulse of 10 ns duration. © 2019 Elsevier B.V.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Department of Computational Mathematics, Institute of Computational Modeling of Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Laboratory of Coherent Optics, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kornienko, V. S.; Tsipotan, A. S.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Slabko, V. V.
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