Influence of self-phase modulation on coherent effects in five-level system

The possibility of formation of a coherent dark state in the five-level system in the entire volume of the medium in an adiabatic pulse propagation is investigated. It is shown that the dark state formation is independent on the value of the first two-photon detuning from the resonance, which may be...

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Bibliographic Details
Published inJournal of contemporary physics Vol. 51; no. 3; pp. 244 - 249
Main Authors Gazazyan, E. A., Grigoryan, G. G.
Format Journal Article
LanguageEnglish
Published New York Allerton Press 01.07.2016
Springer Nature B.V
Subjects
Adiabatic flow
Coherence
Oscillators
Particle and Nuclear Physics
Phase modulation
Physics
Physics and Astronomy
Propagation
Pulse propagation
coherent effects
multi-level systems
resonance
two-photon detuning
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Summary:The possibility of formation of a coherent dark state in the five-level system in the entire volume of the medium in an adiabatic pulse propagation is investigated. It is shown that the dark state formation is independent on the value of the first two-photon detuning from the resonance, which may be changed during the propagation in the medium. In the case of the M-type system with the equal strengths of oscillators at the extreme transitions it is shown that the self-phase modulation does not influence the coherent effects while in the ladder-type system it may lead to the destruction of the dark state. The estimation of the length of the medium in which the propagation effects are negligible is obtained.
ISSN:1068-3372
1934-9378
DOI:10.3103/S1068337216030063