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Cerenkov nonlinear diffraction of femtosecond pulses in random nonlinear photonic crystal / A. M. Vyunishev [et al.] // Third Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics : Program and Book of Abstracts. - 2013. - Ст. S1-11-O30. - P. 20

Доп.точки доступа:
Vyunishev, A. M.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Slabko, V. V.; Слабко, Виталий Васильевич; Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics (3 ; 2013 ; Jun. ; 14-18 ; Владимир / Суздаль)
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Photonic amplification and switching through nonlinear coupling with negative phonons / A. K. Popov [et al.] // Int. Conf. Phot. Switch., PS 2012. - 2012. - Ст. 6608287. - P. . - ISBN 9782912328618 (ISBN)
Кл.слова (ненормированные):
extraordinary stimulated Raman scattering -- negative group velocity -- nonlinear optical wave mixing -- optical phonos -- photonic components and devices
Аннотация: A family of switching photonic devices and amplifiers are proposed which mimic and utilize extraordinary coherent nonlinear-optical frequency conversion processes commonly attributed to plasmonic metamaterials. В© 2012 SEE.

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Доп.точки доступа:
Popov, A. K.; Попов, Александр Кузьмич; Myslivets, S. A.; Мысливец, Сергей Александрович; Shalaev, M. I.; Slabko, V. V.; Слабко, Виталий Васильевич; International Conference on Photonics in Switching (6 ; 2012 ; Sept ; 11-14 ; Ajaccio, France)
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Photonic devices with negative phonons: a concept, extraordinary properties and materials / A. K. Popov [et al.] // 8th International Conference on Optics-Photonics Design and Fabrication (ODF12) : Book of abstracts. - 2012. - P. 4S4-02
Аннотация: A family of readily available optical materials and photonic devices are proposed which mimic extraordinary coherent nonlinear-optical frequency conversion processes commonly attributed to plasmonic metamaterials that are very challenging to make.

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Доп.точки доступа:
Popov, A. K.; Попов, Александр Кузьмич; Shalaev, M. I.; Myslivets, S. A.; Мысливец, Сергей Александрович; Slabko, V. V.; Слабко, Виталий Васильевич; Национальный исследовательский университет ИТМО; Оптическое общество им. Д.С. Рождественского; Optics Design Group of Optical Society of Japan, JSAP; International Conference on Optics-Photonics Design and Fabrication (ODF12) (8 ; 2012 ; July ; 2-5 ; S.-Petersburg)
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Slabko, V. V.
Resonant light-controlled self-assembly of ordered nanostructures / V. V. Slabko, A. S. Tsipotan, A. S. Aleksandrovsky // Photonics Nanostruct. - 2012. - Vol. 10, Is. 4. - P. 636-643, DOI 10.1016/j.photonics.2012.06.002. - Cited References: 15. - This work has been supported by the Ministry of Education and Science of Russian Federation (Contract 16.740.11.0150 and Grant 2.1.1/3455), by RAS Projects 29 and 31, by PSB RAS Project 3.9.5, by SB RAS Projects 43 and 101, and by SFU Grant F12. . - ISSN 1569-4410

РУБ Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Optics + Physics, Applied

Кл.слова (ненормированные):
Metal nanoparticles -- Semiconductor nanoparticles -- Self-assembly -- Light-induced processes
Аннотация: The possibility of light-controllable formation of heterogeneous nanostructures containing resonant metallic and semiconductor nanoparticles is considered. Interaction energy between light-induced dipole polarization of nanoparticles at modest light intensity can be much more than the thermal motion energy. The configuration of self-assembled nanostructure can be controlled by the frequency and polarization of the light.

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Доп.точки доступа:
Tsipotan, A. S.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Слабко, Виталий Васильевич; International Workshop on Theoretical and Computational Nano-Photonics (4th ; 26-28 Oct 2011 ; Bad Honnef, Germany)
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Heat-induced transformations in coronene - Single-walled carbon nanotube systems / A. I. Chernov [et al.] ; International Workshop on Nanocarbon Photonics and Optoelectronics) // J. Nanophoton. - 2016. - Vol. 10, Is. 1 : Special Section on Nanocarbon Photonics and Optoelectronics. - Ст. 012504, DOI 10.1117/1.JNP.10.012504. - Cited References: 14 . - ISSN 1934-2608

РУБ Nanoscience & Nanotechnology + Optics
Рубрики:
Graphene nanoribbons
Encapsulation
Reactor
Кл.слова (ненормированные):
graphene nanoribbons -- coronene molecules -- coronene stacks -- columns -- single-walled carbon nanotubes -- nanoreactor
Аннотация: Coronene molecules are used as filler for single-walled carbon nanotubes. Variation of the synthesis temperature regimes leads to formation of different types of carbon nanostructures inside the nanotubes. Accurate determination of the structures by optical spectroscopy methods remains an important issue in composite materials. Clear distinction between adsorbed organic molecules on the surface of the tubes and filled structures may be accessed by Raman and photoluminescence spectroscopies. We perform additional heat treatment after the initial synthesis procedure and show the evolution of the optical spectral features corresponding to the filled structures and adsorbed materials on the surface of single-walled carbon nanotubes. © 2015 Society of Photo-Optical Instrumentation Engineers (SPIE).

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Доп.точки доступа:
Chernov, A. I.; Fedotov, P. V.; Krylov, A. S.; Крылов, Александр Сергеевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; Obraztsova, E. D.; International Workshop on Nanocarbon Photonics and Optoelectronics (4th ; 28 July - 1 August, 2014 ; Polvijärvi, North Karelia, Finland)
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Wavelength-controlled manipulation of colloidal quasi-resonant quantum dots under pulsed laser irradiation / A. S. Tsipotan [и др.] // Photonics Asia : Asia’s premier event on nanophotonics, biomedicine, lasers,optical design, plasmonics, sensors, optoelectronics infrared/terahertz, and more : advance technical program. - 2016. - Ст. 10027-35. - P. 39
Аннотация: Electrodynamical interaction between excited NPs is rather universal and allows formation of wide variety of nanostructures both of homo- and heterogeneous content. Experimental results are obtained for CdTe QDs with the excitonic resonance at 520 nm. Six different samples of the same colloid solution were irradiated at wavelengths from 540 to 570 nm. Modifications of absorption spectra of solutions after irradiation was detected, being most prominent at 555 and 560 nm irradiation wavelengths. Analysis of spectra shows that up to 47% of QDs were assembled into pairs. Therefore, possibility of precise QDs manipulation via laser-induced electrodynamical interaction is demonstrated.

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Доп.точки доступа:
Tsipotan, A. S. ; Slabko, V. V.; Слабко, Виталий Васильевич; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Gerasimova, M. A.; Photonics Asia(2016 ; Oct. ; 12-14 ; Beijing, China)
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Piatnov, M. V.
Optical localized states in the liquid crystal structure bordering on the metal / M. V. Piatnov, S. Ya. Vetrov, I. V. Timofeev // 6th Workshop on Liq. Cryst. for Photon. / program-book. - 2016. - Ст. PO11. - P. . 53. - Библиогр.: 2

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Доп.точки доступа:
Vetrov, S. Ya.; Ветров, Степан Яковлевич; Timofeev, I. V.; Тимофеев, Иван Владимирович; Workshop on Liquid Crystals for Photonics(6 ; Sept. 14 - 16, 2016 ; Ljubljana, Slovenia)
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Ignatchenko, V. A.
Local density of states in one-dimensional photonic crystals and sinusoidal superlattices / V. A. Ignatchenko, D. S. Tsikalov // Physics Procedia : Elsevier, 2017. - Vol. 86. - P. 113-116, DOI 10.1016/j.phpro.2017.01.030. - Cited References: 14
Кл.слова (ненормированные):
photonic crystals -- Green's function -- LDOS -- sinusoidal modulation -- chain fractions
Аннотация: We have calculated the local density of states (LDOS) for four Brillouin zones of a superlattice for a plane source depending on its location relative to the change in the profile of dielectricpermeability (z) of the superlattice. It is shown that the LDOS for the cases of sinusoidal and rectangular profiles of (z) are close to each other in the first and second Brillouin zones, and sharp differences between them appear beginning with the third zone. Radical changes in the LDOS occur in a rectangular superlattice with different thicknesses of adjacent layers. In this case, the function LDOS has a sharp jump at the edges of the allowed bands in the transition from one layer to another. The effects studied theoretically in this paper, can be detected and studied experimentally by the intensively developing currently methods of nanooptics. © 2017 The Authors.

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Доп.точки доступа:
Tsikalov, D. S.; Цикалов, Денис Сергеевич; Игнатченко, Вальтер Алексеевич; International Conference on Photonics of Nano- and Bio-Structures(2015 ; 19-20 June ; Tomsk); International Conference on Photonics of Nano- and Micro-Structures(2015 ; 19-20 June ; Tomsk)
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Ignatchenko, V. A.
Green's functions of polaritons in a medium with zero-mean inhomogeneous coupling parameter / V. A. Ignatchenko, D. S. Polukhin // Physics Procedia : Elsevier, 2017. - Vol. 86. - P. 117-121, DOI 10.1016/j.phpro.2017.01.031. - Cited References: 10
Кл.слова (ненормированные):
electromagnetic waves -- optical phonons -- crossing resonance -- polaritons -- Green's functions -- self-consistent approximation
Аннотация: Dynamic susceptibilities (Green's functions) of the interacting electromagnetic waves G”e(ω) and optical phonons G”u(ω) in a medium with zero-mean inhomogeneous coupling parameter have been considered. The calculation was performed using a self-consistent approximation for the two stochastically interacting wave fields. It is shown that on the tops of the resonance maxima of the imaginary parts of the Green functions the fine structure is formed: a minimum (dip) on the top of G”e(ω) and narrow maximum (peak) on the top of G”u(ω). With increasing the correlation wavenumber of inhomogeneities kc (i.e., with decreasing the size of inhomogeneities), the width of the peak on G”u(ω) decreases, and two resonance maxima in the function G”e(ω) are formed. Because of the large difference in the speeds of light and optical phonons, the fine structure of the polaritons is manifested itself more clearly and saved to a much larger values of kc, than for the studied earlier crossing resonance of spin and elastic waves.

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Доп.точки доступа:
Polukhin, D. S.; Полухин, Дмитрий Сергеевич; Игнатченко, Вальтер Алексеевич; International Conference on Photonics of Nano- and Bio-Structures(2015 ; 19-20 June ; Tomsk); International Conference on Photonics of Nano- and Bio-Structures(2015 ; 19-20 June ; Tomsk)
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10.

Popov, A. K.
Hyperbolic carbon nanoforest for phase matching of ordinary and backward electromagnetic waves: Second harmonic generation / A. K. Popov, I. S. Nefedov, S. A. Myslivets // ACS Photonics. - 2017. - Vol. 4, Is. 5. - P. 1240-1244, DOI 10.1021/acsphotonics.7b00146. - Cited References: 14. - This material is based on work supported in part by the U.S. Army Research Laboratory through the U.S. Army Research Office under Grant Number W911NF-14-1-0619 and by the Russian Foundation for Basic Research under Grant RFBR 15-02-03959A. . - ISSN 2330-4022
Кл.слова (ненормированные):
backward electromagnetic waves -- carbon nanotubes -- hyperbolic metamaterials -- second harmonic generation
Аннотация: We show that a deliberately engineered dispersive metamaterial slab can enable the coexistence and phase matching of ordinary fundamental and contra-propagating backward second harmonic electromagnetic waves. Energy flux and phase velocity are contra-directed in the backward waves, which is the extraordinary phenomenon that gives rise to unique nonlinear optical propagation processes. We demonstrate that frequencies, phase, and group velocities, as well as the losses inherent to the guided electromagnetic modes supported by such metamaterial, can be tailored to maximize the conversion of frequencies and to reverse the propagation direction of the generated second harmonic wave. Such a possibility, which is of paramount importance for nonlinear photonics, is proven using a numerical model describing the hyperbolic metamaterial made of carbon nanotubes standing on the metal surface. Extraordinary properties of the backward-wave second harmonic generation in the reflection direction and of the corresponding frequency doubling metareflector in the THz are investigated with a focus on the pulsed regime. © 2017 American Chemical Society.

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Держатели документа:
Birck Nanotechnology Center, Purdue University, West Lafayette, IN, United States
Aalto University, School of Electrical Engineering, P.O. Box 13000, Aalto, Finland
Laboratory Nanooptomechanics, ITMO University, St. Petersburg, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, Russian Federation

Доп.точки доступа:
Nefedov, I. S.; Myslivets, S. A.; Мысливец, Сергей Александрович
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