Analytical Expression of ac Stark Shift inTwo-Zone Raman-Ramsey Interactions
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Graphical Abstract
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Abstract
This paper investigated new properties of
the ac (alternative current) Stark e®ect of three-level atom
system in two-zone Raman-Ramsey interactions. It de-
rived the closed-form expressions of ac Stark shift and shift
phase. Then with the help of numerical computation, it
demonstrated the e®ect of various combinations of laser
intensities, initial atomic populations and laser detuning
on Stark shift and shift phase. Based on analytical ex-
pressions and results of numerical computation the paper
provided useful information for determination of the best
conditions in reduction of the ac Stark shift.
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