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Volumn 58, Issue 4, 1998, Pages 3000-3003

Polarization dependence and interference in four-wave mixing with Rydberg levels in rubidium vapor

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EID: 4243729033     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.58.3000     Document Type: Article
Times cited : (15)

References (21)
  • 5
    • 6144271117 scopus 로고    scopus 로고
    • Phys. Rev. Lett.H.-R. Xia, C.-Y. Ye, and S.-Y. Zhu, 77, 1032 (1996).
    • (1996) Phys. Rev. Lett. , vol.77 , pp. 1032
  • 14
    • 85037193940 scopus 로고    scopus 로고
    • Since we have observed a square (linear) dependence of the FWM signal with the dye laser (IR laser) intensity, it indicates that the field intensities are below the saturation limit, so ac Stark shifts or power broadening are not important. Moreover, although the pulse duration is less than or comparable to the lifetime of the atomic states, it is larger than the effective lifetimes determined by ionization rates. These features support the assumption of cw fields and the use of perturbation theory
    • Since we have observed a square (linear) dependence of the FWM signal with the dye laser (IR laser) intensity, it indicates that the field intensities are below the saturation limit, so ac Stark shifts or power broadening are not important. Moreover, although the pulse duration is less than or comparable to the lifetime of the atomic states, it is larger than the effective lifetimes determined by ionization rates. These features support the assumption of cw fields and the use of perturbation theory.


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