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Control of Polarization Interference in Doppler Broadened Two-Photon Resonant Four-Wave Mixing System |
ZUO Zhan-Chun1;LIU Xia1;SUN Jiang2;WU Ling-An1;FU Pan-Ming1 |
1Laboratory of Optical Physics, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2Department of Physics, Hebei University, Baoding 071002 |
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Cite this article: |
ZUO Zhan-Chun, LIU Xia, SUN Jiang et al 2006 Chin. Phys. Lett. 23 625-628 |
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Abstract We study two-photon resonant nondegenerate four-wave mixing (NFWM) in a Doppler broadened system. It is found that because the induced polarization is sensitive to the atomic velocity, there exists interference between polarizations of atoms with different velocities, leading to significant modification of the NFWM spectra. This polarization interference can be controlled through applying an additional coupling field.
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Keywords:
42.65.-k
42.50.Hz
32.80.Rm
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Published: 01 March 2006
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PACS: |
42.65.-k
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(Nonlinear optics)
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42.50.Hz
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(Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)
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32.80.Rm
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(Multiphoton ionization and excitation to highly excited states)
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