耦合场调控Λ型和V型联合原子系统中的吸收特性

doi:10.3969/j.issn.1000-1565.2019.05.005

河北大学学报(自然科学版) ›› 2019, Vol. 39 ›› Issue (5): 473-477.DOI: 10.3969/j.issn.1000-1565.2019.05.005

耦合场调控Λ型和V型联合原子系统中的吸收特性

袁小先,王龙龙,史亚芳,周文广,刘燚,王颖,李晓莉

收稿日期:2018-05-07 出版日期:2019-09-25 发布日期:2019-09-25
通讯作者: 李晓莉(1980—),女,河北南宫人,河北大学副教授,博士,主要从事非线性光学方向研究. E-mail:xiaolixiaoli2012@semi.ac.cn
作者简介:袁小先(1985—),女,河北保定人,河北大学实验师,主要从事纳米功能材料设计合成及光学性质方向研究. E-mail:yxx@hbu.edu.cn
基金资助:
国家自然科学基金青年科学基金资助项目(11504077);河北省自然科学基金青年科学基金资助项目(A2017201012);河北省教育厅自然科学重点项目(ZD2017007);河北大学实验室开放项目(sy201638);河北大学研究生创新资助项目(hbu2019ss033);河北大学人才项目

Absorption characteristics of Λ-type and V-type joint atomic systems by the modulation of coupling fields

YUAN Xiaoxian,WANG Longlong,SHI Yafang,ZHOU Wenguang,LIU Yi,WANG Ying,LI Xiaoli

Key Laboratory of Optic-electronic Information and Materials of Hebei Province, College of Physics Science and Technology, Hebei University, Baoding 071002, China

Received:2018-05-07 Online:2019-09-25 Published:2019-09-25

摘要/Abstract

摘要： 以量子力学为基础对耦合场调控Λ型和V型联合原子系统中的吸收特性进行理论研究.针对弱探测场情况,采用微扰法求解系统密度矩阵运动方程,通过数值模拟得到系统的探测吸收谱.以耦合场2作为联结场,将耦合场1和耦合场2组成的V型系统以及耦合场2和探测场构成的Λ型系统联系在一起,通过调谐耦合场1的拉比强度控制EIT线宽和多窗口的变化,调谐耦合场2的频率失谐量控制EIT的非线性特性.

关键词: 耦合场, Λ型和V型联合原子系统, 电磁诱导透明, 吸收特性

Abstract: A theoretical study of the absorption characteristics of Λ-type and V-type joint atomic systems by the modulation of coupling fields is performed based on quantum mechanics. Using perturbation method to solve density matrix equations of motion in the system, the probing spectrum is numerically simulated under weak probing field conditions. Using the coupling field 2 as the linked field, we connect V-type system composed of coupling field 1 and coupling field 2 and Λ-type system composed of coupling field 2 and probing field. The line width and multi-window feature of EIT are controlled by tuning the Rabi frequency of coupling field 1, and the nonlinear characteristics of EIT are controlled by tuning the frequency detuning of the coupling field 2.

Key words: coupling field, Λ-type and V-type joint atomic systems, electromagnetically induced transparency, absorption characteristics

中图分类号:

O562.3

袁小先,王龙龙,史亚芳,周文广,刘燚,王颖,李晓莉. 耦合场调控Λ型和V型联合原子系统中的吸收特性[J]. 河北大学学报(自然科学版), 2019, 39(5): 473-477.

YUAN Xiaoxian,WANG Longlong,SHI Yafang,ZHOU Wenguang,LIU Yi,WANG Ying,LI Xiaoli. Absorption characteristics of Λ-type and V-type joint atomic systems by the modulation of coupling fields[J]. Journal of Hebei University (Natural Science Edition), 2019, 39(5): 473-477.

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耦合场调控Λ型和V型联合原子系统中的吸收特性

Absorption characteristics of Λ-type and V-type joint atomic systems by the modulation of coupling fields

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