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

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

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.

Keywords: electromagnetically induced grating phase modulation first-order diffraction efficiency thermal atomic system

Received: 22 June 2016
Revised: 02 September 2016
Accepted manuscript online:

PACS:	42.50.Gy	(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)
	42.65.An	(Optical susceptibility, hyperpolarizability)

Fund: 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).

Corresponding Authors: Ya-Bin Dong
E-mail: ybdong@sxu.edu.cn

Cite this article:

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 2017 Chin. Phys. B 26 014202

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

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