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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lukinykh V. F., Myslivets S. A., Popov A. K., Slabko V. V.
Заглавие : 9th-order nonlinear polarization and VUV generation in HG vapor
Разночтения заглавия :авие SCOPUS: Ninth-order nonlinear polarization and vuv generation in Hg vapor
Место публикации : Appl. Phys. B. - 1984. - Vol. 34, Is. 3. - P.171-173. - ISSN 0721-7269, DOI 10.1007/BF00697511
Примечания : Cited References: 13
Ключевые слова (''Своб.индексиров.''): 42.65--42.80--light - nonlinear optical effects--vapors--mercury and amalgams
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aleksandrov K. S., Prodaivoda G. T., Maslov B. P.
Заглавие : A method for determining nonlinear elastic constants of rocks
Место публикации : Doklady Earth Sciences. - 2001. - Vol. 380. - P.827-829. - ISSN 1028-334X
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Yelisseyev A., Lobanov S., Molokeev M. S., Zhang S., Pugachev A., Lin Z., Vedenyapin V., Kurus A., Khamoyam A., Isaenko L.
Заглавие : A New Nonlinear Optical Selenide Crystal AgLiGa2Se4 with Good Comprehensive Performance in Mid-Infrared Region
Место публикации : Adv. Opt. Mater. - 2021. - Vol. 9, Is. 5. - Ст.2001856. - ISSN 21951071 (ISSN), DOI 10.1002/adom.202001856
Примечания : Cited References: 32. - Crystal growth and investigation of physical properties were supported by Russian Science Foundation, Russia (#19‐12‐00085). Spectroscopic data were obtained at the Institute of Geology and Mineralogy, Siberian Branch of Russian Academy of Sciences, Russia; Ministry of Science and Higher Education, Russia (performed on a state assignment). The work on first‐principles calculations also supported by National Science Foundation in China (No.51872297) and Fujian Institute of Innovation (FJCXY18010201) in Chinese Academy of Sciences
Аннотация: Mid‐infrared (mid‐IR) nonlinear optical (NLO) crystals are indispensable for the mid‐IR lasers generation with tunable wavelengths from 3 to 20 µm. AgGaSe2 is a commercial mid‐IR NLO crystal with the highest figures of merit, but suffers low laser damage threshold (LDT). To achieve the balance of optical transmission, NLO effect, and LDT, it is proposed to molecularly modify the AgGaSe2 structure by introducing the [LiSe4] tetrahedra, and successfully grow large crystals of a new selenide AgLiGa2Se4. The replacement of half of the heavy Ag+ cations with light Li+ increases the band gap to 2.2 eV (vs. 1.7 eV in AgGaSe2). The LDT value in AgLiGa2Se4 increases five times compared to that in AgGaSe2, while keeping a relatively large NLO susceptibility of 26 pm V−1. Moreover, the thermal expansion coefficients in AgLiGa2Se4 are approximately two times lower in absolute value compared with AgGaSe2, which is beneficial to the large crystal growth. All these advantages would make AgLiGa2Se4 a new promising NLO crystal for mid‐IR laser applications.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Arkhipkin V.G,, Myslivets S.A.
Заглавие : A Photonic Crystal with Raman Defect
Коллективы : International Conference on Coherent and Nonlinear Optics, International Conference on Lasers, Applications, and Technologies
Место публикации : Technical digest International conference ICONO/LAT 2010. - Казань, 2010. - Ст.LTuH6
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Berman G. P., Kolovsky A. R.
Заглавие : A quantum nonlinear resonance with account of relaxation processes
Место публикации : Physica A. - 1987. - Vol. 141, Is. 2-3. - P.602-612. - ISSN 0378-4371, DOI 10.1016/0378-4371(87)90186-5
Примечания : Cited References: 12
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : All-optical manipulation of light in X- and T-shaped photonic crystal waveguides with a nonlinear dipole defect
Место публикации : Phys. Rev. B: American Physical Society, 2012. - Vol. 86, Is. 7. - Ст.75125. - ISSN 1098-0121, DOI 10.1103/PhysRevB.86.075125
Примечания : Cited References: 38. - The work is partially supported by Integration Project of Siberian Branch of RAS (Project No. 29) and RFBR Grant No. 12-02-000094. We thank D. N. Maksimov for critical reading of the manuscript.
Предметные рубрики: SPONTANEOUS SYMMETRY-BREAKING
FIBER
CAVITIES
SYSTEM
FIELDS
Аннотация: We consider light transmission in X- and T-shaped photonic crystal waveguides which hold nonlinear defect with two resonant dipole modes. By use of the coupled-mode theory and by numerical solution of the Maxwell equations for the transverse-magnetic (TM) light mode, we show two stable types of the solutions. The first type has no cross talk, while the second type does owe to nonlinearity of the defect. We show also that direct path transmission processes in the waveguides play an important role for breaking of symmetry.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vetrov S.Ya., Timofeev I. V., Shabanov A. V.
Заглавие : Anisotropy of nonlinear optical transmission at the edge of the photonic band gap of an apodized layered medium
Место публикации : Optics and Spectroscopy (English translation of Optika i Spektroskopiya). - 2008. - Vol. 104, Is. 5. - P.751-755. - ISSN 0030-400X, DOI 10.1134/S0030400X08050172
Ключевые слова (''Своб.индексиров.''): anisotropy--light transmission--multilayers--photonic crystals--refractive index--spectrum analysis--transfer matrix method--multilayer structure--nonlinear effects--transmission spectrum--laser radiation
Аннотация: The effect of Kerr nonlinearity on the transmission of laser radiation in a one-dimensional photonic crystal has been investigated by the transfer-matrix method, modified to describe nonlinear effects. The crystal under study is a thin-film multilayer structure with a spatial distribution of the refractive index, which makes it possible to eliminate side bands in the transmission spectrum at each side of the photonic band gap and significantly increase the slope of the transmission curve. The transmission spectrum of such a photonic crystal structure has been studied for two opposite directions of laser radiation propagation. The anisotropy of nonlinear transmission is most pronounced near the edge of the photonic crystal band gap, which lies in the near-IR region. The proposed structure, having strong transmission anisotropy and sufficiently low reflection in the forward direction, can operate as an optical diode (analog of an electron diode). В© 2008 Pleiades Publishing, Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kodirov M. K., Popov A. K., Slabko V. V., Yakhnin V. Z.
Заглавие : Atom-density distribution in a metal vapor cell studied by 3rd-harmonic generation
Разночтения заглавия :авие SCOPUS: Atom-density distribution in a metal vapor cell studied by third-harmonic generation
Место публикации : Appl. Phys. B. - 1988. - Vol. 45, Is. 1. - P.47-52. - ISSN 0721-7269, DOI 10.1007/BF00692341
Примечания : Cited References: 20
Ключевые слова (''Своб.индексиров.''): 42.65--42.80--cesium and alloys - applications--light - nonlinear optical effects--spectroscopy - measurements--atom-density distribution--cesium vapors--metal vapor cell--third-harmonic generation--vapors
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Kolovsky A.R., Korsch H.J.
Заглавие : Bloch Dynamics of Interacting Cold Atoms
Коллективы : International Seminar and Workshop on Nonlinear Phenomena in Degenerate Quantum Gases
Место публикации : International Seminar and Workshop on Nonlinear Phenomena in Degenerate Quantum Gases, Ourense, Spain April: Conference Abstracts. - 2010. - С. 46
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kolovsky A. R., Korsch H. J., Graefe E. M.
Заглавие : Bloch oscillations of Bose-Einstein condensates: Quantum counterpart of dynamical instability
Место публикации : Phys. Rev. A. - 2009. - Vol. 80, Is. 2. - ISSN 1050-2947, DOI 10.1103/PhysRevA.80.023617
Примечания : Cited Reference Count: 35. - Гранты: We thank D. Witthaut and F. Trimborn for valuable comments. Support from the Deutsche Forschungsgemeinschaft via the Graduiertenkolleg "Nichtlineare Optik und Ultrakurzzeitphysik" is gratefully acknowledged.Финансирующая организация: Deutsche Forschungsgemeinschaft
Предметные рубрики: OPTICAL LATTICE
ATOMS
Ключевые слова (''Своб.индексиров.''): bloch dynamics--bloch oscillations--bogoliubov--bose-einstein condensates--chaotic dynamics--cold atoms--decoherence--dinger equation--dynamical instabilities--equipartition--hubbard--mean-field--optical lattices--quantum counterpart--quasi-one-dimensional--quasimomentum--bose-einstein condensation--hamiltonians--nonlinear equations--steam condensers--stability
Аннотация: We study the Bloch dynamics of a quasi-one-dimensional Bose-Einstein condensate of cold atoms in a tilted optical lattice modeled by a Hamiltonian of Bose-Hubbard type. The corresponding mean-field system described by a discrete nonlinear Schrodinger equation can exhibit dynamical (or modulation) instability due to chaotic dynamics and equipartition over the quasimomentum modes. It is shown that these phenomena are related to Bogoliubov's depletion of the Bose-Einstein condensate and a decoherence of the condensate in the many-particle description. Three types of dynamics are distinguished: (i) decaying oscillations in the region of dynamical instability and (ii) persisting Bloch oscillations or (iii) periodic decay and revivals in the region of stability.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kolovsky A. R.
Заглавие : Bose-Hubbard Hamiltonian: Quantum chaos approach
Место публикации : Int. J. Mod. Phys. B: World Scientific Publishing, 2016. - Vol. 30, Is. 10. - Ст.1630009. - ISSN 0217-9792, DOI 10.1142/S0217979216300097. - ISSN 1793-6578(eISSN)
Примечания : Cited References:42
Предметные рубрики: Optical lattice
Dynamics
Atoms
States
Model
Ключевые слова (''Своб.индексиров.''): cold atoms in optical lattices--quantum transport--nonlinear dynamics and chaos
Аннотация: We discuss applications of the theory of quantum chaos to one of the paradigm models of many-body quantum physics - the Bose-Hubbard (BH) model, which describes, in particular, interacting ultracold Bose atoms in an optical lattice. After preliminary, pure quantum analysis of the system we introduce the classical counterpart of the BH model and the governing semiclassical equations of motion. We analyze these equations for the problem of Bloch oscillations (BOs) of cold atoms where a number of experimental results are available. The paper is written for nonexperts and can be viewed as an introduction to the field.
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : Bound States in Photonic Fabry-Perot Resonator Comprised of Two Nonlinear Off-Channel Defects
Коллективы : Russian Foundation for Basic Research [09-02-98005-Siberia]
Место публикации : JETP Letters. - 2009. - Vol. 90, Is. 12. - P.744-749. - ISSN 0021-3640, DOI 10.1134/S0021364009240023
Примечания : Cited References: 32. - We thank Kostya Pichugin for many helpful discussions. The work was partially supported by the Russian Foundation for Basic Research, project no. 09-02-98005-Siberia.
Предметные рубрики: SCATTERING-THEORY
WAVE-GUIDE
CONTINUUM
MODES
Аннотация: Two off-channel nonlinear defects coupled to the photonic waveguide constitute the Fabry-Perot interfer-ometer (FPR). The defects are made from a Kerr-like nonlinear material. For the linear case such a FPR can support the bound states in the form of standing waves between the defects if the distance between them is quantized. For the nonlinear case the bound states appear for arbitrary distance between the defects however for an quantized electromagnetic intensity. For the transmission through FPR we reveal new resonances and show these are a result of coupling of the bound states with incident wave because of nonlinearity of the defects. The resonances are spaced at the eigen frequencies of bound states.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E.N., Sadreev A.F.
Заглавие : Bound States in Photonic Fabry-Perot Resonator with Nonlinear Off Channel Defects
Место публикации : Phys. Rev. B. - 2010. - Vol. 81. - С. 115128-12
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : Bound states in photonic Fabry-Perot resonator with nonlinear off-channel defects
Коллективы :
Место публикации : Phys. Rev. B: AMER PHYSICAL SOC, 2010. - Vol. 81, Is. 11. - Ст.115128. - ISSN 1098-0121, DOI 10.1103/PhysRevB.81.115128
Примечания : Cited References: 73. - The work was partially supported by RFBR under Grant No. 09-02-98005 "Siberia." We are greatly acknowledge Konstantin Pichugin for many discussions.
Предметные рубрики: CRYSTAL WAVE-GUIDES
STATIONARY LOCALIZED STATES
COUPLED-MODE THEORY
OPTICAL RESONATORS
NUCLEAR REACTIONS
UNIFIED THEORY
MICROCAVITIES
TRANSMISSION
CONTINUUM
CIRCUITS
Аннотация: We consider a Fabry-Perot resonator (FPR) comprised of two off-channel nonlinear defects coupled to the photonic waveguide. For the linear case FPR can support bound states in the form of standing waves between the defects if a distance between them is quantized. For the nonlinear case the bound states appear for arbitrary distance between the defects if electromagnetic intensity is quantized. For transmission through the FPR we reveal additional resonances which are the result of coupling of incident wave with the bound states because of nonlinearity of the defects. The resonances are spaced at the eigenfrequencies of bound states with a width proportional to the input amplitude. The theory of the FPR based on the simple Wang and Fan model [Phys. Rev. E 68, 066616 (2003)] is complemented by the tight-binding one. The results for the transmission and bound states in these models agree with computations in real two-dimensional photonic crystal waveguide coupled with two off-channel defects fabricated from a Kerr-type material.
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15.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Aleksandrovsky A. S., Vyunishev A. M., Zaitsev A. I., Pospelov G. I., Rovsky V. E., Slabko V. V.
Заглавие : Broadband frequency conversion in random nonlinear photonic crystals
Коллективы : "Laser Optics", International conference (15; 2012 ; June ; 25-29; St. Petersburg), "Оптика лазеров", Международная конференция (15; 2012 ; июнь ; 25-29; Санкт-Петербург)
Место публикации : Laser Optics 2012. - 2012. - Ст.WeR1-p69. - P.42
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16.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Vyunishev A. M., Aleksandrovsky A. S., Zaitsev A. I., Slabko V. V.
Заглавие : Broadband pulse conversion in 1d disordered nonlinear photonic crystals
Коллективы : "Light in Disordered Photonic Media", 546. WE-Heraeus-Seminar (546; 2013 ; 2-4 dec; Bad Honnef, Germany)
Место публикации : WE-Heraeus-Seminar: "Light in Disordered Photonic Media", 546. - 2013
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gavriliuk A. P., Isaev I. L., Karpov S. V., Krasnov I. V., Shaparev N. Y.
Заглавие : Brownian dynamic of laser cooling and crystallization of electron-ion plasma
Место публикации : Phys. Rev. E. - 2009. - Vol. 80, Is. 5. - Ст.56404. - ISSN 1539-3755, DOI 10.1103/PhysRevE.80.056404
Примечания : Cited References: 29
Предметные рубрики: ULTRACOLD NEUTRAL PLASMAS
OPTICAL MOLASSES
LIQUIDS
ATOMS
TRAP
Ключевые слова (''Своб.индексиров.''): brownian motion--laser cooling--plasma collision processes--plasma light propagation--plasma nonlinear processes--plasma simulation--plasma transport processes--brownian dynamics--brownian dynamics simulations--electron ion plasma--electron subsystem--friction force--ionic structure--nonlinear dependence--plasma cooling--brownian movement--crystallization--ions--laser cooling--lasers--cooling
Аннотация: Laser cooling and crystallization of electron-ion plasma is studied using the Brownian dynamics simulation technique and taking into consideration the interaction of ions with the electron subsystem. It has been shown that the nonlinear dependence of laser friction force on the velocity of ions has to be taken into account in order to simulate in an adequate manner the cooling dynamics and obtain a correct estimate for minimum temperatures. It has been found that times required for formation of an ordered ionic structure can be much longer than the typical plasma cooling time.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Verpekin, Victor V., Semeikin, Oleg, V, Vasiliev A. D., Kondrasenko, Alexander A., Belousov Yu. A., Ustynyuk, Nikolai A.
Заглавие : Catalyzed M–C coupling reactions in the synthesis of σ-(pyridylethynyl)dicarbonylcyclopentadienyliron complexes
Коллективы : Russian Science FoundationRussian Science Foundation (RSF) [18-73-00150]
Место публикации : RSC Adv. - 2020. - Vol. 10, Is. 29. - P.17014-17025. - ISSN 2046-2069(eISSN), DOI 10.1039/d0ra02333g
Примечания : Cited References: 86. - This research was funded by a grant from the Russian Science Foundation (project No. 18-73-00150).
Предметные рубрики: NONLINEAR-OPTICAL PROPERTIES
METAL ALKYNYL COMPLEXES
CARBON BOND FORMATION
Аннотация: The reactions between terminal ethynylpyridines, (trimethylsilyl)ethynylpyridines and cyclopentadienyliron dicarbonyl iodide were studied under Pd/Cu-catalyzed conditions to develop a synthetic approach to the σ-alkynyl iron complexes Cp(CO)2Fe–C≡C–R (R = ortho-, meta-, para-pyridyl). Depending on the catalyst and reagents used, the yields of the desired σ-pyridylethynyl complexes varied from 40 to 95%. In some cases the reactions with ortho-ethynylpyridine gave as byproduct the unexpected binuclear FePd μ-pyridylvinylidene complex [Cp(CO)Fe{μ2-η1(Cα):η1(Cα)-κ1(N)-Cα=Cβ(H)(o-C5H4N)}(μ-CO)PdI]. The conditions, catalysts, and reagents that provide the highest yields of the desired σ-pyridylethynyl iron compounds were determined. The methods developed allowed the synthesis of the corresponding σ-4-benzothiadiazolylethynyl complex Cp(CO)2Fe–C≡C–(4-C6H3N2S) as well. Eventually, synthetic approaches to σ-alkynyl iron complexes of the type Cp(CO)2Fe–C≡C–R (R = ortho-, meta-, para-pyridyl, 4-benzothiadiazol-2,1,3-yl) based on the Pd/Cu-catalyzed cross-coupling reactions were elaborated.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vyunishev A. M., Aleksandrovsky A. S., Zaitsev A. I., Slabko V. V.
Заглавие : Cerenkov nonlinear diffraction of femtosecond pulses
Место публикации : J. Opt. Soc. Am. B: Optical Society of America, 2013. - Vol. 30, Is. 7. - P.2014-2021. - ISSN 0740-3224, DOI 10.1364/JOSAB.30.002014
Примечания : Cited References: 43. - The work was partially supported by the Grant of the President of the Russian Federation MK-250.2013.2, by RFBR through Grant No. 12-02-31167, by the Ministry of Education and Science of the Russian Federation (Contract No. 14.B37.21.0730), by Krasnoyarsk Regional Fund of Science and Technical Activity Support, by PSB RAS Project 2.5.2, and by SFU Grant F12.
Предметные рубрики: STRONTIUM BARIUM NIOBATE
2ND-HARMONIC GENERATION
PHOTONIC CRYSTAL
DOMAIN-WALLS
MODULATION
Аннотация: Cerenkov nonlinear diffraction of femtosecond pulses in one-dimensional nonlinear photonic crystal of strontium tetraborate was studied theoretically and experimentally in both frequency and time domains. Spectral features of second harmonic radiation were measured in the course of mapping the nonlinear photonic crystal structure. The local second harmonic spectrum demonstrates complex angular behavior within the beam cross section. The spectral width of the second harmonic radiation is found to be fundamental beam size-dependent, and optimal focusing should be used for exact conversion of the fundamental spectrum into the second harmonic one. Experimental results are in excellent agreement with calculations. Maximum second harmonic generation efficiency was up to 2.1% at pumping by a femtosecond oscillator. (C) 2013 Optical Society of America
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20.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Vyunishev A. M., Aleksandrovsky A. S., Zaitsev A. I., Slabko V. V.
Заглавие : Cerenkov nonlinear diffraction of femtosecond pulses in random nonlinear photonic crystal
Коллективы : Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics (3; 2013 ; Jun. ; 14-18; Владимир/ Суздаль)
Место публикации : Third Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics : Program and Book of Abstracts. - 2013. - Ст.S1-11-O30. - P.20
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