| Unexpected Population Inversion in a Λ-type Medium |
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| 作者姓名： | GONG Shangqing DU Side XU Zhizhan |
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| 作者单位： | GONG Shangqing;DU Side; XU Zhizhan(Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800)PAN Shaohua(Institute of Physics，Chinese Academy of Sciences，Beijing 100080) |
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| 基金项目： | Supported by the Natural Science Foundation of China. |
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| 摘 要： | ＵｎｅｘｐｅｃｔｅｄＰｏｐｕｌａｔｉｏｎＩｎｖｅｒｓｉｏｎｉｎａΛ－ｔｙｐｅＭｅｄｉｕｍ￥ＧＯＮＧＳｈａｎｇｑｉｎｇ；ＤＵＳｉｄｅ；ＸＵＺｈｉｚｈａｎ（ＳｈａｎｇｈａｉＩｎｓｔｉｔｕｔｅｏｆＯｐｔｉｃｓａｎｄＦｉｎｅＭｅｃｈａｎｉｃｓ，Ｃｈｉｎｅｓｅ...
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| 关 键 词： | Population inversion Λ-type medium coherent population trapping |
| 收稿时间： | 1996/1/24 |
Unexpected Population Inversion in a Λ-type Medium |
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| GONG Shangqing,DU Side, XU Zhizhan.Unexpected Population Inversion in a Λ-type Medium[J].中国激光(英文版),1996,5(4):307-312. |
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| Authors: | GONG Shangqing DU Side XU Zhizhan |
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| Abstract: | The steady-state population distribution in a ∧-type three-level atomic system driven by two strong coherent fields has been investigated. An unexpected population inversion between excited state and ground state has been found over a wide intensity range and wide frequency range for the two coherent fields with opPOsite frequency detuning. For cerium conditions, more and more population gets settled in one sublevel of the ground state. |
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| Keywords: | Population inversion Λ-type medium coherent population trapping |
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