| Cite this article as: Pei Li-Ya,Hou Hai-Long. Probe field effects on Autler-Townes splitting in four-wave mixing [J]. J. At. Mol. Phys.(原子与分子物理学报), 2025, 42: 035001 (in Chinese) |
| Probe field effects on Autler-Townes splitting in four-wave mixing |
| Hits 184 Download times 127 Received:September 14, 2023 Revised:September 27, 2023 |
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| DOI
10.19855/j.1000-0364.2025.035001 |
| Key Words
four-wave mixing, atomic coherence, Autler-Townes splitting, dressedstate, transverse relaxation rate |
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| Abstract
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| In a double Λ-type four-wave mixing system, the influence of probe field intensity on Autler-Townes (AT) splitting is investigated. As the weak-probe intensity increases, the distance of AT splitting generated from dressed-states resonance remains unchanged, but gradually the line-widths increase and the heights decrease until the doublet disappears. While the strong coupling field is detuned, the AT doublet which is asymmetrically located on both sides of the single-photon resonance peak gradually tends to be showed symmetrically. In this paper, we discuss the probe field effects in detail by using the dressed-state model. It is proposed that the effective Raman coherence between atomic ground-states can be controlled by the probe intensity, thereby affecting the characteristics of AT splitting. |
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