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Experimental Properties of Optical Phase Conjugation in Cold Atoms in a Magneto-Optical Trap

Experimental Properties of Optical Phase Conjugation in Cold Atoms in a Magneto-Optical Trap
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摘要 We employ a sample of cold 87Rb atoms in a magneto-optical trap to study the impulse responses and spatial characters of backward conjugate waves in a four-wave mixing process. We measure the slow and superluminal group velocities of backward conjugate waves, and find the sensitive variation of the spatial mode of backward waves with the probe-pump detuning and the dependence of the reflectance on the magnetic field, while the trapping magnetic field exists. We employ a sample of cold 87Rb atoms in a magneto-optical trap to study the impulse responses and spatial characters of backward conjugate waves in a four-wave mixing process. We measure the slow and superluminal group velocities of backward conjugate waves, and find the sensitive variation of the spatial mode of backward waves with the probe-pump detuning and the dependence of the reflectance on the magnetic field, while the trapping magnetic field exists.
出处 《Chinese Physics Letters》 SCIE CAS CSCD 2010年第1期159-162,共4页 中国物理快报(英文版)
基金 Supported by the National Fundamental Research Program of China under Grant No 2006CB921202, the National Natural Science Foundation of China under Grant No 10804115, and the Knowledge Innovation Project of Chinese Academy of Sciences.
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