Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Light propagation in dense resonant media: intrinsic optical bistability, solitons, and transients

Anatoly A. Afanas'ev, Vasiliy Ivanovich Reshetnyak, R. A. Vlasov, Vasily M. Volkov, Oleg Kh Khasanov, Olga M. Fedotova, D. V. Gorbach, T. V. Smirnova

Published Jul 22, 2002• 0 citations
Publisher

Abstract

The intrinsic optical bistability, soliton formation, and transient phenomena such as the free polarization decay and photon echo in dense resonant media are investigated, taking into account the short-range dipole-dipole interaction of atoms.
DOI
10.1117/12.475899

Related papers

Optical transients in dense resonant media

Oleg Kh Khasanov, Anatoly A. Afanas'ev, R. A. Vlasov +3 more

Transient phenomena such as free polarization decay and photon echo in dense resonant media taking into account short-range dipole-dipole interaction of atoms are investigated.

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE•Nov 15, 2001•0 citations

Solitons and transients in media with near dipole-dipole interaction

Oleg Kh Khasanov, Русецкий Григорий Александрович, Olga M. Fedotova +3 more

This paper studies soliton regimes of light pulse propagation and transient processes in optically dense media with the near dipole-dipole interaction. It is shown that such an interaction permits the soliton propagation to be realized while the pulse duration is not only less than both irreversible relaxation times T/sub 1/ and T/sub 2/ but also when it falls between T/sub 2/ /spl Lt/ /spl tau//sub p/ /spl Lt/ T/sub 1/.

European Quantum Electronics Conference (EQEC)•Nov 15, 2004•0 citations

Optical solitons in dense resonant media

Anatoly A. Afanas'ev, R. A. Vlasov, A. G. Cherstvyi

Exact single-soliton solutions of the modified system of Maxwell-Bloch equations, in which the dipole-dipole interactions of the atoms of a dense resonant medium are taken into account, are obtained. Two propagation regimes are analyzed: “coherent,” where the pulse duration is much shorter than both relaxation times ( T p ≪ T 1 , T 2 ), and “incoherent,” where the pulse duration falls between the relaxation times ( T 2 ≪ T p ≪ T 1 ). It is predicted, for the first time, that soliton propagation of an ultrashort pulse is possible in a dense resonant absorbing medium in an incoherent interaction regime. The differences between the amplitude and phase characteristics of the solitons considered and the corresponding characteristics of the solitons for McCall-Hahn self-induced transparency are noted.

Journal of Experimental and Theoretical Physics•Mar 1, 2000•9 citations

Multiple photon echo in optically dense media

Olga M. Fedotova, Oleg Kh Khasanov, T. V. Smirnova +1 more

Multiple photon echo generation process in extended crystals is investigated taking into account both the contribution of irreversible relaxation during whole excitation time and propagation effects caused by the resonant medium influence on the exciting pulse sequence and echo-responses.

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE•Sep 26, 1997•1 citation

Coherent and incoherent solitons of self-induced transparency in dense, resonant media

Anatoly A. Afanas'ev, R. A. Vlasov, Oleg Kh Khasanov +2 more

The spatiotemporal dynamics of a light pulse injected into a dense, resonant medium under near-dipole–dipole interaction conditions is considered. Two regimes for soliton formation are investigated numerically and analytically. The first one occurs if the pulses are much shorter than both relaxation times. In the second, the pulse duration falls between those of the relaxation times and may be regarded as an incoherent one. In the latter case there are conditions in which the dephasing process is suppressed by dipole–dipole interatomic interaction. Not only are one-soliton solutions found but also a powerful pulse splitting into separate solitons is revealed. The regions in which solitons are found have been estimated. The possibility of finding incoherent solitons has been analyzed, with group-velocity dispersion and diffraction of tilted pulses, which are shown to make soliton formation easier, taken into account.

Journal of the Optical Society of America B•Apr 1, 2002•25 citations

Addressing optical pixel bits in a slab of dense optical material via intrinsic optical bistability

J. L. Font, Ramon A. Vilaseca, Kęstutis Staliūnas +2 more

It is well known that dense materials with local-field effects can show "intrinsic" optical bistability when they are directly irradiated by a light beam. This has been shown theoretically in a number of works and also experimentally in several cases, in gas media and also in doped solid-state materials where nonlinearities based on standard local-field effects can be reinforced with other ion interaction effects. Although from the point of view of applications nonlinearities stronger than those found so far would be desirable, the fact that no optical resonator is needed to achieve bistability makes these materials potentially interesting for applications in optical information storage and processing.

Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)•Jun 1, 2007•0 citations
Exact single-soliton solutions of the modified system of Maxwell-Bloch equations, in which the dipole-dipole interactions of the atoms of a dense resonant medium are taken into account, are obtained. Two propagation regimes are analyzed: “coherent,” where the pulse duration is much shorter than both relaxation times ( T p ≪ T 1 , T 2 ), and “incoherent,” where the pulse duration falls between the relaxation times ( T 2 ≪ T p ≪ T 1 ). It is predicted, for the first time, that soliton propagation of an ultrashort pulse is possible in a dense resonant absorbing medium in an incoherent interaction regime. The differences between the amplitude and phase characteristics of the solitons considered and the corresponding characteristics of the solitons for McCall-Hahn self-induced transparency are noted.
The spatiotemporal dynamics of a light pulse injected into a dense, resonant medium under near-dipole–dipole interaction conditions is considered. Two regimes for soliton formation are investigated numerically and analytically. The first one occurs if the pulses are much shorter than both relaxation times. In the second, the pulse duration falls between those of the relaxation times and may be regarded as an incoherent one. In the latter case there are conditions in which the dephasing process is suppressed by dipole–dipole interatomic interaction. Not only are one-soliton solutions found but also a powerful pulse splitting into separate solitons is revealed. The regions in which solitons are found have been estimated. The possibility of finding incoherent solitons has been analyzed, with group-velocity dispersion and diffraction of tilted pulses, which are shown to make soliton formation easier, taken into account.
It is well known that dense materials with local-field effects can show "intrinsic" optical bistability when they are directly irradiated by a light beam. This has been shown theoretically in a number of works and also experimentally in several cases, in gas media and also in doped solid-state materials where nonlinearities based on standard local-field effects can be reinforced with other ion interaction effects. Although from the point of view of applications nonlinearities stronger than those found so far would be desirable, the fact that no optical resonator is needed to achieve bistability makes these materials potentially interesting for applications in optical information storage and processing.