| 两个正交子能级的V型三能级系统的粒子数振荡特性 |
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| 引用本文： | 周慧君,刘绍鼎,王取泉,詹明生,薛其坤.两个正交子能级的V型三能级系统的粒子数振荡特性[J].物理学报,2005,54(2):710-714. |
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| 作者姓名： | 周慧君 刘绍鼎 王取泉 詹明生 薛其坤 |
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| 作者单位： | (1)武汉大学物理系,武汉 430072; (2)武汉大学物理系,武汉 430072;中国科学院物理研究所国际量子结构中心,北京 100080; (3)中国科学院武汉物理与数学研究所,武汉 430071; (4)中国科学院物理研究所国际量子结构中心,北京 100080 |
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| 基金项目： | 国家自然科学基金（批准号：10344002）资助的课题. |
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| 摘 要： | 研究了线偏振脉冲光场激发下,半导体量子点中两个正交子能级上的粒子数振荡特性.利用旋转波近似方法给出了共振激发和无衰减时粒子数运动方程的解析解.引入了该系统的等效跃迁偶极矩和等效脉冲面积，并给出了其关系表达式.理论分析表明，该体系中的子能级上粒子数振荡的振幅和频率都可以通过改变激发场的偏振角和系统的初态条件进行调控.
关键词：
Rabi振荡
旋转波近似
三能级系统
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| 关 键 词： | Rabi振荡 旋转波近似 三能级系统 |
| 收稿时间： | 2004-05-20 |
Rabi flopping in a V-type three-level system with two orthogonal eigenstates |
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| Zhou Hui-Jun,Liu Shao-Ding,Wang Qu-Quan,Zhan Ming-Sheng,Xue Qi-Kun.Rabi flopping in a V-type three-level system with two orthogonal eigenstates[J].Acta Physica Sinica,2005,54(2):710-714. |
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| Authors: | Zhou Hui-Jun Liu Shao-Ding Wang Qu-Quan Zhan Ming-Sheng Xue Qi-Kun |
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| Abstract: | The oscillation characteristics of populations in two orthogonal energy sub-sta tes of semiconductor quantum dots (SQDs) excited by linearly polarized monochrom atic pulse field were discussed. With rotating-wave approximation, the non-dam ped solutions of the dynamic population equations with resonance excitation were deduced. The effective transition dipole moments and effective input pulse area were introduced and their expressions were also given. Theoretical analysis sho wed that the amplitude and frequency of the population oscillation on the sub-s tates can be manipulated by adjusting the original conditions and the polarizati on angle of excitation field. |
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| Keywords: | Rabi oscillation rotating-wave approximation three-level system |
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