| Original Articles |
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Suppression and Enhancement in Parametric Two-Photon Resonant Nondegenerate Four-Wave Mixing via Quantum Interference |
| SUN Jiang;MI Xin;YU Zu-He;JIANG Qian;ZUO Zhan-Chun;WANG Yan-Bang;WU Ling-An;FU Pan-Ming |
| Laboratory of Optical Physics, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080 |
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| Cite this article: |
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SUN Jiang, MI Xin, YU Zu-He et al 2004 Chin. Phys. Lett. 21 306-309 |
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Abstract Quantum interference may lead to suppression and enhancement of
the two-photon resonant nondegenerate four-wave mixing signal in a cascade four-level system. Such phenomena are emonstrated in Ba through inducing atomic coherence between the ground state 6s2 and the doubly excited autoionizing Rydberg state 6pnd. This method can be used as a new spectroscopic tool for measuring the transition dipole moment between two highly excited atomic states.
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| Keywords:
42.50.Gy
42.50.Hz
32.80.Rm
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Published: 01 February 2004
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| PACS: |
42.50.Gy
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(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)
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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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