| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Enhancement and Suppression of Four-Wave Mixing in a Four-Level Atomic System |
CHEN Ru-Lin, YUAN Chen-Zhi, WANG Zhi-Guo, NIE Zhi-Qiang, LI Yuan-Yuan, ZHANG Yan-Peng |
| Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi'an Jiaotong University, Xi'an 710049 |
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| Cite this article: |
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CHEN Ru-Lin, YUAN Chen-Zhi, WANG Zhi-Guo et al 2010 Chin. Phys. Lett. 27 074212 |
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Abstract We report observations of the enhancement and suppression of four-wave mixing (FWM) in an electromagnetically induced transparency window in a Y-type 85Rb atomic system. The results show the evolution of the dressed effects (from pure enhancement to partial enhancement/suppression, and finally into pure suppression) in the degenerate-FWM processes. Moreover, we use the perturbation chain method to describe the FWM process. Finally, we observe the polarization dependence of the enhancement and suppression of the FWM signal.
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| Keywords:
42.50.Gy
42.65.Jx
42.65.Tg
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Received: 16 April 2010
Published: 28 June 2010
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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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42.65.Jx
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(Beam trapping, self-focusing and defocusing; self-phase modulation)
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42.65.Tg
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(Optical solitons; nonlinear guided waves)
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