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One- and two-photon quantum interferences in parametric four-wave mixing

机译:参数四波混频中的单光子和双光子量子干扰

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We report the observation of the interferometric response in parametric four-wave mixing in rubidium atomsnexcited by a pair of ultrashort pulses. For pulses with orthogonal polarizations and in the presence ofnthe two-photon transition 5S–5D reveals a one-photon quantum interference, in contrast to the optical interferencenobserved when the pulses have parallel polarization. For opposite circular polarizations no interferencenis observed in the fluorescence of the two-photon transition, in contrast to the one- and two-photonninterferences exhibited in the nonlinear process. © 2010 Optical Society of America
机译:我们报告了在一对超短脉冲激发的rub原子参量四波混合中干涉测量响应的观察。对于具有正交偏振且存在双光子跃迁的脉冲,5S-5D会显示出单光子量子干涉,这与脉冲具有平行偏振时所观察到的光学干涉相反。对于相反的圆极化,与非线性过程中显示的一光子和二光子干涉相反,在两光子跃迁的荧光中未观察到干涉。 ©2010美国眼镜学会

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  • 来源
    《Optics Letters》 |2010年第3期|p.1-3|共3页
  • 作者单位

    J. Ferraz, L. H. Acioli, and S. S. Vianna*Departamento de Física, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil*Corresponding author: vianna@ufpe.br;

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