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Title: Dark state in ruby: Analysis of the feasibility
Authors: Shakhmuratov, RN
Szabo, A
Kozyreff, G
Coussement, Romain
Odeurs, Joseph
Mandel, P #
Issue Date: Oct-2000
Publisher: American physical soc
Series Title: Physical Review A, Atomic, Molecular and Optical Physics vol:62 issue:4 pages:3405-1-3405-12
Abstract: Bichromatic excitation of the R-1 line in ruby at liquid-helium temperature is considered. The frequency difference of the spectral components of the driving field is resonant with the energy gap between the anti-crossed spin sublevels + 1/2 and + 3/2 in the ground state (4)A(2). The condition of the spin coherence trapping in the nonabsorbing state is analyzed. Population trapping is revealed in the reduced spontaneous emission from the excited state and in large spin magnetization of the ground state Cr3+ precessing with the frequency difference of the spectral components of the driving field. This magnetization can be detected by a pickup coil. The Lifetime of the induced magnetization is strongly dependent on the ratio of the lifetime of the excited state (E) over bar and the spin coherence decay time (T-2)(spin).
ISSN: 1050-2947
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
Development cooperation
# (joint) last author

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