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Общее количество найденных документов : 36
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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Arkhipkin V. G.
Заглавие : 2-photon-resonance and 3-photon-resonance displacement of frequencies and interference of quantum transitions
Место публикации : Zhurnal Eksperimentalnoi Teor. Fiz.: MEZHDUNARODNAYA KNIGA, 1995. - Vol. 108, Is. 1. - P.45-52. - ISSN 0044-4510
Примечания : Cited References: 16
Предметные рубрики: ELECTROMAGNETICALLY INDUCED TRANSPARENCY
ATOMIC-HYDROGEN
GENERATION
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Baev A. S., Popov A. K.
Заглавие : Sub-Doppler absorption resonances induced by strong radiation
Место публикации : JETP Letters. - 1998. - Vol. 67, Is. 12. - P.1018-1023. - ISSN 0021-3640, DOI 10.1134/1.567785
Примечания : Cited References: 19
Предметные рубрики: INDUCED TRANSPARENCY
Аннотация: New possibilities are demonstrated for eliminating uncompensated Doppler broadening in different types of nonlinear optical processes by means of atomic coherence effects in strong electromagnetic fields are demonstrated. (C) 1998 American Institute of Physics.
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3.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Arkhipkin V. G., Manushkin D. V., Timofeev V. P., Timofeev I. V.
Заглавие : Efficient selective excitation in optically thick extensive media by adiabatic population transfer
Коллективы : Conference on High-Power Lasers in Energy Engineering (1999, Nov.; Osaka, Japan)
Место публикации : 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. - ISBN 0277-786X, DOI 10.1117/12.375171. - ISBN 0-8194-3484-1
Примечания : Cited References: 13
Предметные рубрики: ELECTROMAGNETICALLY INDUCED TRANSPARENCY
MULTILEVEL SYSTEMS
LASER-PULSES
Ключевые слова (''Своб.индексиров.''): 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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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Arkhipkin V. G., Timofeev I. V.
Заглавие : Adiabatic propagation of short pulses under conditions of electromagnetically induced transparency
Место публикации : Quantum Electron.: Turpion LTD, 2000. - Vol. 30, Is. 2. - P.180-184. - ISSN 1063-7818, DOI 10.1070/QE2000v030n02ABEH001683
Примечания : Cited References: 31
Предметные 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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5.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Arkhipkin V. G., Timofeev I. V.
Заглавие : Pulse pair propagation under conditions of induced transparency
Коллективы : Conference on Optical Pulse and Beam Propagation II (2000 ; Jan. ; 25-27; San Jose, CA)
Место публикации : Optical pulse and beam propagation II. Ser. Proceedings of the society of photo-optical instrumentation engineers (SPIE): SPIE-Int. Soc. Optical Engineering, 2000. - Vol. 3927. - P.368-375. - ISBN 0277-786X, DOI 10.1117/12.382069. - ISBN 0-8194-3544-9
Примечания : Cited References: 19
Предметные рубрики: ELECTROMAGNETICALLY INDUCED TRANSPARENCY
ADIABATIC POPULATION TRANSFER
LASER-PULSES
MULTILEVEL SYSTEMS
QUANTUM
Ключевые слова (''Своб.индексиров.''): adiabatic population transfer--coherent population trapping electromagnetically induced transparency--counterintuitive pulse sequence
Аннотация: The spatial and temporal dynamics of tno short laser pulses propagating in absorbing three-level medium under conditions of induced transparency is investigated in adiabatic approximation. We analyse two cases of electromagnetically induced transparency creating - coherent population trapping and adiabatic population transfer. It is shown that in both cases the probe pulse can penetrate into a medium at a distance considerably exceeding the length of linear absorption of a single weak probe pulse in absence of a coupling pulse at adjacent transition. The difference of spatial and temporal evolution of level populations in processes of coherent population trapping and adiabatic population transfer is although demonstrated.
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Popov A. K., Myslivets S. A., Gao J. Y., Zhang H. Z., Wellegehausen B.
Заглавие : Inversionless gain in a three-level system driven by a strong field and collisions
Место публикации : Chin. Phys. - 2000. - Vol. 9, Is. 2. - P.124-130. - ISSN 1009-1963
Примечания : Cited References: 45
Предметные рубрики: ELECTROMAGNETICALLY INDUCED TRANSPARENCY
POPULATION-INVERSION
LIGHT AMPLIFICATION
QUANTUM COHERENCE
REFRACTIVE-INDEX
LASER
INTERFERENCE
TRANSITIONS
SODIUM
ATOMS
Аннотация: Inversionless gain in a degenerate three-level system driven by a strong external field and by collisions with a buffer gas is investigated. The mechanism of population distribution in upper laser level, contributed by the collision transfer, as well as by relaxation, induced by pressure of a buffer gas, is discussed in detail. Explicit formulae for analysis of optimal conditions are derived. The idea developed here for the incoherent pump could be generalized to other systems.
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7.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Arkhipkin V. G., Timofeev I. V.
Заглавие : Propagation of two short pulses under conditions of electromagnetically induced transparency: adiabatic following
Коллективы : International Workshop/Fall School Meeting for Young Scientists and Students on Optics, Laser Physics, and Biophysics (Saratov Fall Meeting 99) (1999 ; Oct.; Saratov)
Место публикации : Saratov fall meeting '99: Laser physics and spectroscopy. Ser. Proceedings of the society of photo-optical instrumentation engineers (SPIE): SPIE-Int. Soc. Optical Engineering, 2000. - Vol. 4002. - P.45-51. - ISBN 0277-786X, DOI 10.1117/12.380132. - ISBN 0-8194-3627-5
Примечания : Cited References: 31
Предметные рубрики: POPULATION TRANSFER
LASER-PULSES
QUANTUM
COHERENCE
MEDIA
INDEX
INTERFERENCE
ENHANCEMENT
TRANSITIONS
REFRACTION
Ключевые слова (''Своб.индексиров.''): electromagnetically-induced transparency--coherent population trapping--atomic coherence--quantum interference--adiabatic following--dressed field pulses
Аннотация: Spatio-temporal dynamics of two short laser pulses propagating in an absorbing medium, which consists of one-and two-photon resonant ii-atoms, is investigated in the adiabatic approximation. We give an analytical solution and compare it with numerical simulations. It is shown that pulses may propagate in a medium, whose thickness is considerably greater than the length of the linear absorption of a single weak probe wave. Finally, full transfer of the probe pulse energy into the coupling pulse takes place. A vector model of the adiabatic interaction of two pulses with three-level atom is proposed.
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8.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Arkhipkin V. G., Timofeev I. V.
Заглавие : Pulse pair propagation under conditions of induced transparency: adiabatic approximation
Коллективы : Laser Optics, International Conference (2000 ; June ; 26-30; St. Petersburg)
Место публикации : Laser optics 2000: semiconductor lasers and optical communication. Ser. proceedings of the society of photo-optical instrumentation engineers (SPIE): SPIE-Int. Soc. Optical Engineering, 2001. - Vol. 4354. - P.111-117. - ISBN 0277-786X, DOI 10.1117/12.418816. - ISBN 0-8194-4044-2
Примечания : Cited References: 18
Предметные рубрики: ELECTROMAGNETICALLY INDUCED TRANSPARENCY
COHERENT POPULATION TRANSFER
LASER-PULSES
MULTILEVEL SYSTEMS
QUANTUM
Ключевые слова (''Своб.индексиров.''): adiabatic population transfer--coherent population trapping--electromagnetically induced transparency--counterintuitive pulse sequence
Аннотация: The features of spatial and temporal evolution of two short laser pulses propagating in three-level medium under conditions of coherent population trapping and adiabatic population transfer is investigated in adiabatic approximation. It is shown that in both cases pulses can penetrate into a medium at a distance considerably exceeding the length of linear absorption of a single weak probe pulse in absence of a coupling pulse at adjacent transition. The difference of spatial and temporal evolution of level populations in processes of coherent population trapping and adiabatic population transfer is demonstrated. Also we show that the concept of dressed-field pulses is consequence of Manley-Raw relation.
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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Arkhipkin V. G., Timofeev I. V.
Заглавие : Inversion in an extended three-level medium produced by adiabatic population transfer
Место публикации : Opt. Spectrosc.: Optical Society of America, 2001. - Vol. 91, Is. 5. - P.810-814. - ISSN 0030-400X, DOI 10.1134/1.1420867
Примечания : Cited References: 17
Предметные рубрики: ELECTROMAGNETICALLY INDUCED TRANSPARENCY
MULTILEVEL SYSTEMS
LASER-PULSES
3-LEVEL
Аннотация: Features of the adiabatic population transfer are studied with the spatial evolution of interacting pulses propagating in an optically dense medium of three-level A-atoms taken into account. A self-consistent analytical solution describing the spatial-temporal dynamics of interacting short pulses under the conditions of adiabatic population transfer is constructed in the adiabatic approximation with consideration for the first nonadiabatic correction. Practically complete inversion on a forbidden transition determined by coherent (adiabatic) population transfer is shown to take place over a length of the medium, which may exceed the absorption length of a weak probing pulse in the absence of control radiation on the adjacent transition by several orders of magnitude. (C) 2001 MAIK "Nauka/Interperiodica".
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Arkhipkin V. G., Timofeev I. V.
Заглавие : Electromagnetically induced transparency; writing, storing, and reading short optical pulses
Место публикации : JETP Letters. - 2002. - Vol. 76, Is. 1. - P.66-70. - ISSN 0021-3640, DOI 10.1134/1.1507230
Примечания : Cited References: 27
Аннотация: The spatiotemporal propagation dynamics of a weak probe pulse in an optically dense medium of three-level atoms is studied in the adiabatic approximation under conditions of electromagnetically induced transparency. The atomic coherence induced at the dipole-forbidden transitions is found to be spatially localized. This effect is used for the analysis of the reversible writing (reading) of short optical pulses. The method of pulse time reversal is suggested. В© 2002 MAIK "Nauka/Interperiodica".
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