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Theoretical investigation of electromagnetically induced phase grating in RF-driven cascade-type atomic systems

机译:射频驱动级联原子系统中电磁感应相位光栅的理论研究

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A new scheme for investigating electromagnetically induced grating in four-level cascade-type of Rb-87 cold atoms is presented. The novel result indicates that the diffraction efficiency of phase grating is dramatically enhanced due to the presence of an RF-driven field and a diffraction efficiency up to 34% can be obtained. Furthermore, it is found that the frequency detuning of the applied laser fields with the corresponding atomic transition and the interaction length can improve the efficiency of the phase grating in the present atomic model. This work has potential applications in all-optical communication processes. (C) 2015 Optical Society of America
机译:提出了一种研究四能级联型Rb-87冷原子的电磁感应光栅的新方案。新颖的结果表明,由于存在射频驱动场,相位光栅的衍射效率得到了显着提高,并且可以获得高达34%的衍射效率。此外,发现在当前原子模型中,具有相应的原子跃迁和相互作用长度的施加的激光场的频率失谐可以提高相位光栅的效率。这项工作在全光通信过程中具有潜在的应用。 (C)2015年美国眼镜学会

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