期刊
PHYSICAL REVIEW A
卷 84, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.84.053409
关键词
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资金
- RFBR [10-02-00133, 10-02-92624]
- Russian Academy of Sciences
- Presidential Grant [MK-6386.2010.2, MK-3727.2011.2]
- Dynasty Foundation
- Project COLIMA [FP7-PEOPLE-2009-IRSES]
Three-photon laser excitation of Rydberg states by three different laser beams can be arranged in a starlike geometry that simultaneously eliminates the recoil effect and Doppler broadening. Our analytical and numerical calculations for a particular laser excitation scheme 5S(1/2) -> 5P(3/2) -> 6S(1/2) -> nP in Rb atoms have shown that, compared to the one-and two-photon laser excitation, this approach provides much narrower linewidth and longer coherence time for both cold atom samples and hot vapors, if the intermediate one-photon resonances of the three-photon transition are detuned by more than respective single-photon Doppler widths. This method can be used to improve fidelity of Rydberg quantum gates and precision of spectroscopic measurements in Rydberg atoms.
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