Coherent population transfer in Rydberg potassium atom by a single frequency-chirped laser pulse |
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| Authors: | Zhang Xian-Zhou Ma Qiao-Zhi Li Xiao-Hong |
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| Affiliation: | Department of Physics, Henan Normal University, Xinxiang 453007,China |
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| Abstract: | By using the time-dependent multilevel approach, we have calculated the coherentpopulation transfer among the quantum states of potassium atom by a singlefrequency-chirped laser pulse. The results show that the population can beefficiently transferred to a target state and be trapped there by using an`intuitive' or a `counter-intuitive' frequency sweep laser pulse in the case of`narrowband' frequency-chirped laser pulse. It is also found that a pair ofsequential `broadband' frequency-chirped laser pulses can efficiently transferpopulation from one ground state of the La atom to the other one. |
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| Keywords: | frequency-chirped laser pulse coherent population transfer |
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