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Общее количество найденных документов : 36
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Arkhipkin, V. G.
2-photon-resonance and 3-photon-resonance displacement of frequencies and interference of quantum transitions / V. G. Arkhipkin // Zhurnal Eksperimentalnoi Teor. Fiz. - 1995. - Vol. 108, Is. 1. - P. 45-52. - Cited References: 16 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
ATOMIC-HYDROGEN
GENERATION

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Доп.точки доступа:
Архипкин, Василий Григорьевич
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    Arkhipkin, V. G.
    Adiabatic propagation of short pulses under conditions of electromagnetically induced transparency / V. G. Arkhipkin, I. V. Timofeev // Quantum Electron. - 2000. - Vol. 30, Is. 2. - P. 180-184, DOI 10.1070/QE2000v030n02ABEH001683. - Cited References: 31 . - ISSN 1063-7818
   Перевод заглавия: Адиабатическое распространение коротких импульсов в условиях электромагнитно-индуцированной прозрачности

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
POPULATION TRANSFER
   LASER-PULSES
   INTERFERENCE
   ENHANCEMENT
   COHERENCE
   QUANTUM
   SYSTEMS
   INDEX
Аннотация: The spatial and temporal dynamics of two short pulses propagating in an optically dense medium of resonant three-level Lambda-atoms is investigated numerically and analytically. The maximum coherence for the Raman transition due to coherent population trapping. it is shown that, at the initial stage of propagation, the waveforms of such pulses only slightly change along the length of the medium, which may considerably exceed the length of linear absorption for a single weak pulse. As the length of the absorbing medium increases, the energy of the probe (first) pulse is completely transferred into the second (control) pulse.

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Публикация на русском языке Архипкин, Василий Григорьевич. Адиабатическое распространение коротких импульсов в условиях электромагнитно-индуцированной прозрачности [Текст] / В. Г. Архипкин, И. В. Тимофеев // Квант. электрон. - 2000. - Т. 30 № 2. - С. 180-184

Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Timofeev, I. V.; Тимофеев, Иван Владимирович; Архипкин, Василий Григорьевич
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    Arkhipkin, V. G.
    All-optical switching in a photonic crystal with a defect containing an N-type four-level atomic system / V. G. Arkhipkin, S. A. Myslivets // Phys. Rev. A. - 2012. - Vol. 86, Is. 6. - Ст. 063816, DOI 10.1103/PhysRevA.86.063816. - Cited References: 33. - This work was supported in part by the RAS Grants No. 24.29, No. 24.31, and No. 3.9.5, and SB RAS Grants No. 43 and No. 101. . - ISSN 1050-2947
   Перевод заглавия: Полностью оптическое переключение в фотонном кристалле с дефектом, содержащим четырехуровневую атомную систему N-типа

РУБ Optics + Physics, Atomic, Molecular & Chemical + Defects + Optical switches + Phase modulation + Probes + Refractive index
Рубрики:
Electromagnetically-induced-transparency
   Quantum interference
   Microcavities
   All-optical switching
   Atomic medium
   Cross-phase modulations
   Defect mode
   Electromagnetically induced transparency
   Four-level atomic system
   Kerr nonlinearity
   Laser fields
   Linear susceptibility
   One dimensional photonic crystal
   Probe field
   Quantum interference
   Resonance frequencies
   Third-order susceptibility
   Transmission spectrums
   Two photon
Аннотация: We study the transmission spectra of a one-dimensional photonic crystal with a defect containing a four-level atomic medium that exhibits a greatly enhanced third-order susceptibility while having a vanishing linear susceptibility dependent on the electromagnetically induced transparency. Two ways of controlling the transmission of a photonic crystal are discussed: via absorption, i.e., nonlinear (two-photon) absorption of the probe field enhanced by constructive quantum interference, and via dispersion, which comes down to shifting the resonance frequency of the defect mode for the probe field by varying the refractive index based on the giant Kerr nonlinearity (cross-phase modulation). We demonstrate that such systems enable nonlinear all-optical switching at ultralow intensities of the coupling and switching laser fields.

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Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович
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All-optically transformable broad-band transparency and amplification in negative-index films [Текст] / A. K. Popov, S. A. Myslivets // arXiv. - 2008. - Ст. 0808.3130

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Доп.точки доступа:
Popov, A.K.; Myslivets, S.A.
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Arkhipkin, V. G.
Coherent manipulation of the Raman-induced gratings in atomic media / V. G. Arkhipkin, S. A. Myslivets // Phys. Rev. A. - 2016. - Vol. 93, Is. 1. - Ст. 013810, DOI 10.1103/PhysRevA.93.013810. - Cited References:44. - This work was supported by the Russian Foundation for Basic Research through Grant No. 15-02-03959. . - ISSN 1050-2947. - ISSN 1094-1622

РУБ Optics + Physics, Atomic, Molecular & Chemical
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
   LIGHT
   REFLECTION
   OPTICS
Аннотация: We consider dynamically controllable periodic structures (gratings), resulting from Raman interaction of a weak probe field with a standing-wave pump and a second control laser field in four-level atomic media of N type. The gratings under study are induced due to periodic spatial modulation of the Raman gain in a standing pump field and fundamentally differ from the ones based on electromagnetically induced transparency. We show that spectral and transmission properties of these gratings can be controlled with the help of an additional weak field (control field) by varying its intensity or frequency. Small variations of the control field intensity can change the system from opaque to transparent and vice versa and this structure can operate as an all-optical transistor. Such a structure can also be used as a tunable nonlinear mirror with amplification.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660079, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.

Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Архипкин, Василий Григорьевич; Russian Foundation for Basic Research [15-02-03959]
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    Coherent nonlinear optics and quantum control in negative-index metamaterials / A. K. Popov, S. A. Myslivets, V. M. Shalaev // J. Opt. A-Pure Appl. Opt. - 2009. - Vol. 11, Is. 11, DOI 10.1088/1464-4258/11/11/114028. - Cited Reference Count: 27 . - ISSN 1464-4258
Рубрики:
LEFT-HANDED METAMATERIALS
   2ND-HARMONIC GENERATION
   PARAMETRIC OSCILLATOR
   3RD-HARMONIC GENERATION
   MAGNETIC METAMATERIALS
   COMPENSATING LOSSES
   BACKWARD WAVE
Кл.слова (ненормированные):
nonlinear optics -- metamaterials -- coherent optical effects -- backward waves -- parametric -- microamplifiers and oscillators -- Backward waves -- Coherent optical effects -- Metamaterials -- Microamplifiers and oscillators -- Nonlinear optics -- Parametric -- Backward waves -- Coherent Energy Transfer -- Coherent optical effects -- Control fields -- Control optical fields -- Laser induced -- Negative refractive index -- Negative-index -- Numerical experiments -- Parametric amplification -- Phase mismatch -- Quantum control -- Absorption -- Amplification -- Energy transfer -- Four wave mixing -- Metamaterials -- Optical materials -- Parametric oscillators -- Refractive index -- Transparency -- Optical parametric oscillators
Аннотация: The extraordinary properties of laser-induced transparency of a negative-index slab and parametric amplification for a backward wave signal are investigated. The effects of the idler absorption and phase mismatch on the amplification of the signal are studied, and the feasibility of ensuring robust transparency for a broad range of control field intensities and slab thicknesses is shown. A particular option consisting of the independent engineering of a strong four-wave mixing response and the negative refractive index is proposed and its specific features are investigated. The feasibility of quantum control over the slab transparency in such a scheme is confirmed through numerical experiments. We thus show opportunities and conditions for the compensation of the strong absorption inherent to plasmonic negative-index metamaterials, and we further show achievable transparency through coherent energy transfer from the control optical field to the negative-index signal.

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Держатели документа:
Univ Wisconsin, Dept Phys & Astron, Stevens Point, WI 54481 USA
Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660036, Russia
Purdue Univ, Birk Nanotechnol Ctr, W Lafayette, IN 47907 USA
Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA

Доп.точки доступа:
Popov, A.K.; Myslivets, S.A.; Shalaev, V.M.; International Workshop on Theoretical and Computational Nano-Photonics(DEC 03-05, 2008 ; Bad Honnef, GERMANY)
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Gavrichkov, V. A.
Doped Mott-Hubbard materials with a low quasiparticle transparency / V. A. Gavrichkov // Phys. Rev. B. - 2024. - Vol. 109, Is. 12. - Ст. 125139, DOI 10.1103/PhysRevB.109.125139. - Cited References: 48. - This work has been supported by the grant of the Russian Science Foundation, RSF 22-22-00298 . - ISSN 2469-9950. - ISSN 2469-9969
Аннотация: Based on the Wilson's criterion metal/insulator, extended to materials with strong electronic correlations, we have identified a specific class of the materials, which is not associated with their usual classification into Mott-Hubbard and charge transfer dielectrics. The local symmetry of these materials leads to the disappearance of quasiparticle states (so-called first removal or first extra states) in the Hubbard gap. It is especially unusual for doped materials, in which quasiparticles, being charge carriers, can disappear or appear under external factors without the Mott transition being achieved. In this work, we introduce the so-called “quasiparticle transparency”, and provide specific experiments to identify materials with the low quasiparticle transparency. A number of examples of such materials with a spin crossover under high pressure, showing the Jahn-Teller nature, are considered.

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Держатели документа:
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, 660036 Krasnoyarsk, Russia
Rome International Center for Materials Science Superstripes RICMASS, via del Sabelli 119A, 00185 Roma, Italy

Доп.точки доступа:
Гавричков, Владимир Александрович
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Arkhipkin, V. G.
Effect of electromagnatically induced transparency on spectrum of defect modes of photonic crystal - art. no. 67292H / V. G. Arkhipkin, S. A. Myslivets, I. V. Timofeev ; ed.: VN Belyi, KN Drabovich, KN Drabovich ; International Conference on Coherent and Nonlinear Optics (2007) // ICONO 2007: Coherent and nonlinear optical phenomena. Ser. proceedings of the society of photo-optical instrumentation engineers (SPIE) / International Conference on Coherent and Nonlinear Optics (2007) : SPIE-Int. Soc. Optical Engineering, 2007. - Vol. 6729. - P. H7292-H7292, DOI 10.1117/12.751966. - Cited References: 33 . - ISBN 0277-786X. - ISBN 978-0-8194-6886-4

РУБ Optics
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
   NONLINEAR OPTICS
   COHERENT MEDIA
   LIGHT
   MICROCAVITIES
   PULSES
Кл.слова (ненормированные):
photonic crystal -- defect mode -- photonic band gap -- localized mode -- electromagnetically induced transparency -- Defect mode -- Electromagnetically induced transparency -- Localized mode -- Photonic band gap -- Photonic crystal -- Crystal defects -- Dispersion (waves) -- Electromagnetic field effects -- Transparency -- Photonic crystals
Аннотация: The effect of electromagnetically induced transparency on the spectrum of defect modes of one-dimensional photonic crystal is discussed theoretically. Narrowing of defect mode linewidth is predicted due to nonabsorbing highly dispersive medium in defect layer.

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Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Belyi, VN \ed.\; Drabovich, K. N. \ed.\; Архипкин, Василий Григорьевич; International Conference on Coherent and Nonlinear Optics(2007)
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Arkhipkin, V. G.
Effect of electromagnetically induced transparency on the spectrum of defect modes in a one-dimensional photonic crystal / V. G. Arkhipkin, S. A. Myslivets // Quantum Electronics. - 2009. - Vol. 39, Is. 2. - P. 157-162, DOI 10.1070/QE2009v039n02ABEH013813 . - ISSN 1063-7818
Кл.слова (ненормированные):
Electromagnetically induced trans- parency -- Photonic crystals -- Defect layers -- Defect mode -- Electromagnetically induced trans- parency -- One dimensional photonic crystal -- Spatial in-homogeneity -- Spatial overlap -- Transmission spectrums -- Crystal atomic structure -- Defects -- Silicon on insulator technology -- Transparency -- Photonic crystals
Аннотация: We studied the transmission spectrum of a one-dimensional photonic crystal containing a defect layer in which electromagnetically induced transparency is possible. The analysis is performed taking into account the spatial inhomogeneity of interacting fields in the photonic crystal. It is found that the transmission spectrum of such a photonic crystal depends on the spatial overlap of defect modes excited by probe and control radiations. It is shown that electromagnetically induced transparency can result in a considerable narrowing of the defect mode spectrum. В© 2009 Kvantovaya Elektronika and Turpion Ltd.

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Держатели документа:
L.V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Academgorodok, 660036, Krasnoyarsk, Russian Federation
Siberian Federal University, prosp. Svobodnyi 79, 660041 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Архипкин, Василий Григорьевич
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10.

Efficient selective excitation in optically thick extensive media by adiabatic population transfer / V. G. Arkhipkin [et al.] ; ed.: K Mima, GL Kulcinski, ki, GL Kulci // High-power lasers in energy engineering. Ser. Proceedings of the society of photo-optical instrumentation engineers (SPIE) : SPIE-Int. Soc. Optical Engineering, 2000. - Vol. 3886. - P. 699-703, DOI 10.1117/12.375171. - Cited References: 13 . - ISBN 0277-786X. - ISBN 0-8194-3484-1

РУБ Optics + Physics, Applied + Physics, Fluids & Plasmas
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
MULTILEVEL SYSTEMS
LASER-PULSES
Кл.слова (ненормированные):
adiabatic population transfer -- electromagnetically induced transparency -- counterintuitive pulse sequence
Аннотация: In this work the feature of spatio-temporal evolution of two partially overlapped short pulses of counterintuitive sequence in a medium of three-level absorbing atoms in conditions of adiabatic transfer of population are investigated. The analytic solution is constructed. It is shown, that selective excitation of two-photon resonant state with a near-unity probability is conserved on the length of medium, which is considerably greater than the absorbtion length of a weak probe pulse in the absence of a coupling pulse at the adjacent transition.

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Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Manushkin, D. V.; Timofeev, V. P.; Timofeev, I. V.; Тимофеев, Иван Владимирович; Conference on High-Power Lasers in Energy Engineering (1999, Nov. ; Osaka, Japan)
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