FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Experimental Properties of Optical Phase Conjugation in Cold Atoms in a Magneto-Optical Trap |
ZHOU Shu-Yu, XIA Tian, XU Zhen, WANG Yu-Zhu |
Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 |
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Cite this article: |
ZHOU Shu-Yu, XIA Tian, XU Zhen et al 2010 Chin. Phys. Lett. 27 014211 |
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Abstract 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.
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Keywords:
42.65.Hw
42.25.Bs
32.80.-t
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Received: 18 August 2009
Published: 30 December 2009
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PACS: |
42.65.Hw
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(Phase conjugation; photorefractive and Kerr effects)
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42.25.Bs
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(Wave propagation, transmission and absorption)
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32.80.-t
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(Photoionization and excitation)
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