To the theory of effects associated with electromagnetically induced transparency: composition of ^- and V-types

A. S. Losev; A. S. Troshin; N. A. Vasil'ev

doi:10.1117/12.801590

23 April 2008 To the theory of effects associated with electromagnetically induced transparency: composition of Λ- and V-types

A. S. Losev, A. S. Troshin, N. A. Vasil'ev

Author Affiliations +

Proceedings Volume 7024, International Workshop on Quantum Optics 2007; 70240B (2008) https://doi.org/10.1117/12.801590
Event: International Workshop on Quantum Optics 2003, 2003, St. Petersburg, Russian Federation

Abstract

The main phenomena of interest here - the strong reduction of the probe pulse group speed and a similar pulse regeneration after the dark pause - are shown to be quite possible, together with the coherent states repopulation, in case of the energy levels degeneration. The result about the probe field disappearance everywhere inside a sample during the dark pause is confirmed. It is established that atomic coherence during the dark pause is stored by off-diagonal density matrix elements of A-components, whereas V-components play a destructive role. Thus, the MA-type (without V- components) is the best one, among the types considered, to get the greatest group speed reduction of a probe pulse.

Citation Download Citation

A. S. Losev, A. S. Troshin, and N. A. Vasil'ev "To the theory of effects associated with electromagnetically induced transparency: composition of Λ- and V-types", Proc. SPIE 7024, International Workshop on Quantum Optics 2007, 70240B (23 April 2008); https://doi.org/10.1117/12.801590

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