LEVEL CROSSING EFFECT IN DEGENERATE FOUR-WAVE MIXING
Author(s) -
FU PANG-MING,
Xin Mi
Publication year - 1983
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.32.133
Subject(s) - level crossing , degenerate energy levels , physics , mixing (physics) , perturbation (astronomy) , four wave mixing , nonlinear system , atomic physics , quantum mechanics , nonlinear optics , archaeology , history
Third-order nonlinear susceptibility x(3)(-ω;ω,ω,-ω) is calculated in nearly-degenerate quasi-two-level system by perturbation method. We have studied the level crossing effect in degenerate four-wave mixing and compared it with the level crossing effect in resonance fluorescence. The possibility of using level crossing effect in degenerate four-wave mixing to measure the relaxation rate of upper and lower state is pointed out.
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