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Fluorescence properties in a single driven four-level atomic system |
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| Authors: | Jiang Xiang-Qian Lü Zhi-Wei Zhang Bing Sun Xiu-Dong |
| Institution: | Department of Physics, Harbin Institute of Technology, Harbin 150001, China; Department of Physics, Harbin Institute of Technology, Harbin 150001, ChinaPublishing Ltd footnotetexths*-4mmfosl hfill http://www.iop.org/journals/cpb http://cpb.iphy.ac.cn; National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150001, China; National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 1500 |
| Abstract: | The spontaneous emission decay dynamics of a tripod configuration four-level atom driven by a single laser field is studied. Under different initial conditions, we discuss the effects of quantum interference and detuning of external driving field on atomic spontaneous emission properties. For the larger detuning, the interesting phenomena of the spectral line narrowing are found which stem from the contribution of external driving field. |
| Keywords: | spontaneous emission spectrum four-level atom driving field |
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