| 光泵三能级原子体系产生光子数压缩态 |
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| 引用本文： | 郭光灿,柴金华. 光泵三能级原子体系产生光子数压缩态[J]. 物理学报, 1991, 40(6): 912-922 |
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| 作者姓名： | 郭光灿 柴金华 |
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| 作者单位： | 中国科学技术大学物理系,合肥,230026 |
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| 摘 要： | 本文证明光泵三能级原子体系可以产生光子数压缩态。分别计算非相干泵浦、弱相干泵浦和强相于泵浦几种情形下的Fano因数。结果表明,弱相干泵浦时可获得最佳压缩效应,相应的Fano因数为0.16。这种产生光子数压缩态的方法在实验上是简便可行的。关键词：
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| 关 键 词： | 光泵 三能级体系 光子数 压缩态 |
| 收稿时间： | 1990-06-29 |
GENERATION OF PHOTON-NUMBER SQUEEZED STATE BY OPTICALLY PUMPED THREE-LEVEL ATOMIC SYSTEM |
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| GUO GUANG-CAN and CHAI JIN-HUA. GENERATION OF PHOTON-NUMBER SQUEEZED STATE BY OPTICALLY PUMPED THREE-LEVEL ATOMIC SYSTEM[J]. Acta Physica Sinica, 1991, 40(6): 912-922 |
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| Authors: | GUO GUANG-CAN and CHAI JIN-HUA |
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| Abstract: | In this paper, we show that the photon-number squeezed state can be generated by optically pumped three-level atomic system. The Fano factor of the output radiation field has been calculated under the condition of incoherent pumping, weak coherent pumping and strong coherent pumping respectively. We find that the optimum squeezing effect of photon-number occurs in the situation of weak coherent pumping and the corresponding Fano factor is 0.16. This method of generating photon-number squeezed state is convenient and practical in experiment. |
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