Electromagnetically induced grating in a thermal N-type four-level atomic system

doi:10.1088/1674-1056/26/1/014202

中国物理B ›› 2017, Vol. 26 ›› Issue (1): 14202-014202.doi: 10.1088/1674-1056/26/1/014202

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Electromagnetically induced grating in a thermal N-type four-level atomic system

Ya-Bin Dong(董雅宾), Jun-Yan Li(李俊燕), Zhi-Ying Zhou(周志英)

Department of Physics, Shanxi University, Taiyuan 030006, China

收稿日期:2016-06-22 修回日期:2016-09-02 出版日期:2017-01-05 发布日期:2017-01-05
通讯作者: Ya-Bin Dong E-mail:ybdong@sxu.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grants Nos. 11004126 and 61275212) and the Natural Science Foundation of Shanxi Province, China (Grant No. 2011021003-1).

Electromagnetically induced grating in a thermal N-type four-level atomic system

Ya-Bin Dong(董雅宾), Jun-Yan Li(李俊燕), Zhi-Ying Zhou(周志英)

Department of Physics, Shanxi University, Taiyuan 030006, China

Received:2016-06-22 Revised:2016-09-02 Online:2017-01-05 Published:2017-01-05
Contact: Ya-Bin Dong E-mail:ybdong@sxu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grants Nos. 11004126 and 61275212) and the Natural Science Foundation of Shanxi Province, China (Grant No. 2011021003-1).

摘要/Abstract

摘要： The electromagnetically induced grating effect in thermal and cold atoms has been studied theoretically. Studies have shown that, by adjusting the parameters, the first-order diffraction efficiency of the probe beam in the cold atomic system and the thermal atomic system is 34% and 31%, respectively, which is very close to the ideal diffraction efficiency of the sinusoidal grating. However, it is more difficult to prepare the cold atomic system than to prepare the thermal atomic system in the practical application, so the study of the electromagnetically induced grating effect in the thermal atomic system may be helpful for practical applications.

关键词: electromagnetically induced grating, phase modulation, first-order diffraction efficiency, thermal atomic system

Abstract: The electromagnetically induced grating effect in thermal and cold atoms has been studied theoretically. Studies have shown that, by adjusting the parameters, the first-order diffraction efficiency of the probe beam in the cold atomic system and the thermal atomic system is 34% and 31%, respectively, which is very close to the ideal diffraction efficiency of the sinusoidal grating. However, it is more difficult to prepare the cold atomic system than to prepare the thermal atomic system in the practical application, so the study of the electromagnetically induced grating effect in the thermal atomic system may be helpful for practical applications.

Key words: electromagnetically induced grating, phase modulation, first-order diffraction efficiency, thermal atomic system

中图分类号: (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)

42.50.Gy

42.65.An (Optical susceptibility, hyperpolarizability)

董雅宾, 李俊燕, 周志英. Electromagnetically induced grating in a thermal N-type four-level atomic system[J]. 中国物理B, 2017, 26(1): 14202-014202.

Ya-Bin Dong(董雅宾), Jun-Yan Li(李俊燕), Zhi-Ying Zhou(周志英). Electromagnetically induced grating in a thermal N-type four-level atomic system[J]. Chin. Phys. B, 2017, 26(1): 14202-014202.

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Electromagnetically induced grating in a thermal N-type four-level atomic system

Electromagnetically induced grating in a thermal N-type four-level atomic system

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