微波场控制下的电磁诱导透明
基于量子力学Λ-型能级系统,建立微波场驱动下的双电场作用三能级系统模型.由系统密度矩阵推导探测场的微分方程,采用四阶龙库塔数值计算方法对其进行理论模拟,从而研究该能级系统的稳态吸收特性,并对其作用场及原子能级体系进行分析.结果表明,当失谐量为零时探测场呈现轻微振荡,几乎无吸收传播;当失谐量不为零时,探测场的强度会随失谐量的增加而急剧减弱,并出现电磁诱导透明现象.为此,采用相干性理论探究其物理机制....
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| Published in | 西安工程大学学报 Vol. 31; no. 5; pp. 721 - 726 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安工程大学 理学院,陕西 西安 710048
2017
西安交通大学 电子信息工程学院,陕西 西安 710049%西安工程大学 理学院,陕西 西安,710048%西安交通大学 电子信息工程学院,陕西 西安,710049 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-649X |
| DOI | 10.13338/j.issn.1674-649x.2017.05.020 |
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| Abstract | 基于量子力学Λ-型能级系统,建立微波场驱动下的双电场作用三能级系统模型.由系统密度矩阵推导探测场的微分方程,采用四阶龙库塔数值计算方法对其进行理论模拟,从而研究该能级系统的稳态吸收特性,并对其作用场及原子能级体系进行分析.结果表明,当失谐量为零时探测场呈现轻微振荡,几乎无吸收传播;当失谐量不为零时,探测场的强度会随失谐量的增加而急剧减弱,并出现电磁诱导透明现象.为此,采用相干性理论探究其物理机制. |
|---|---|
| AbstractList | O413; 基于量子力学 Λ-型能级系统,建立微波场驱动下的双电场作用三能级系统模型.由系统密度矩阵推导探测场的微分方程,采用四阶龙库塔数值计算方法对其进行理论模拟,从而研究该能级系统的稳态吸收特性,并对其作用场及原子能级体系进行分析.结果表明,当失谐量为零时探测场呈现轻微振荡,几乎无吸收传播;当失谐量不为零时,探测场的强度会随失谐量的增加而急剧减弱,并出现电磁诱导透明现象.为此,采用相干性理论探究其物理机制. 基于量子力学Λ-型能级系统,建立微波场驱动下的双电场作用三能级系统模型.由系统密度矩阵推导探测场的微分方程,采用四阶龙库塔数值计算方法对其进行理论模拟,从而研究该能级系统的稳态吸收特性,并对其作用场及原子能级体系进行分析.结果表明,当失谐量为零时探测场呈现轻微振荡,几乎无吸收传播;当失谐量不为零时,探测场的强度会随失谐量的增加而急剧减弱,并出现电磁诱导透明现象.为此,采用相干性理论探究其物理机制. |
| Abstract_FL | Based on the Λ-type level system in quantum mechanics,a three-level Λ-type system model with double electric field driven by microwave is established.The differential equation of the detection field is derived by the system density matrix,and is simulated by four order Runge Kutta numerical method.The steady state absorption properties of the system are stud-ied,the interaction field and the atomic energy level system are analyzed.The results show that when the detuning is zero,the detection field could present a slight oscillation,almost no ab-sorption propagation;when the detuning is not zero,the intensity of the detection field decrea-ses sharply with the inerease of detuning,and electromagnetically induced parency occurs.Therefore,the coherence theory is used to explore its physical mechanism.The strength of de-tection field will greatly decay as the detuning amount is nonzero.The calculation results im-plements the electromagnetic induction of transparent with the microwave fields and provide a clear information for related research. |
| Author | 宋阳;王春兰;李泽斌;王亚薇;吕正 |
| AuthorAffiliation | 西安工程大学理学院,陕西西安710048;西安交通大学电子信息工程学院,陕西西安710049 |
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| Author_FL | WANG Chunlan LYU Zheng SONG Yang WANG Yawei LI Zebin |
| Author_FL_xml | – sequence: 1 fullname: SONG Yang – sequence: 2 fullname: WANG Chunlan – sequence: 3 fullname: LI Zebin – sequence: 4 fullname: WANG Yawei – sequence: 5 fullname: LYU Zheng |
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| Keywords | runge-kutta coupling 微波场 microwave field oscillation 龙格库塔 电磁诱导透明 耦合 transition |
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| Notes | runge-kutta;microwave field;coupling;oscillation;transition Based on the Λ-type level system in quantum mechanics,a three-level Λ-type system model with double electric field driven by microwave is established.The differential equation of the detection field is derived by the system density matrix,and is simulated by four order Runge Kutta numerical method.The steady state absorption properties of the system are stud-ied,the interaction field and the atomic energy level system are analyzed.The results show that when the detuning is zero,the detection field could present a slight oscillation,almost no ab-sorption propagation;when the detuning is not zero,the intensity of the detection field decrea-ses sharply with the inerease of detuning,and electromagnetically induced parency occurs.Therefore,the coherence theory is used to explore its physical mechanism.The strength of de-tection field will greatly decay as the detuning amount is nonzero.The calculation results im-plements the electromagnetic induction of tr |
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| Publisher | 西安工程大学 理学院,陕西 西安 710048 西安交通大学 电子信息工程学院,陕西 西安 710049%西安工程大学 理学院,陕西 西安,710048%西安交通大学 电子信息工程学院,陕西 西安,710049 |
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| Snippet | 基于量子力学Λ-型能级系统,建立微波场驱动下的双电场作用三能级系统模型.由系统密度矩阵推导探测场的微分方程,采用四阶龙库塔数值计算方法对其进行理论模拟,从而研究该能... O413; 基于量子力学 Λ-型能级系统,建立微波场驱动下的双电场作用三能级系统模型.由系统密度矩阵推导探测场的微分方程,采用四阶龙库塔数值计算方法对其进行理论模拟,从而研... |
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| SubjectTerms | 微波场 电磁诱导透明 耦合 龙格库塔 |
| Title | 微波场控制下的电磁诱导透明 |
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