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Electromagnetically induced grating realization in phaseonium

Communications in Theoretical Physics 2023年第8期75卷 150-155页

作者： Fazal Badshah Muqaddar Abbas Sobia Asghar Jin Xie Rahmatullah School of Electrical and Information Engineering Hubei University of Automotive TechnologyShiyan 442000China Ministry of Education Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter Shaanxi Province Key Laboratory of Quantum Information and Quantum Optoelectronic DevicesSchool of PhysicsXi'an Jiaotong UniversityXi'an 710049China Quantum optics Lab.Department of Physics COMSATS University IslamabadIslamabadPakistan

We propose a method to implement electromagnetically induced grating in a phaseonium medium that has been coherently generated via atomic *** atoms have aΛ-type structure and three distinct energy levels;such atoms are originally generated in a coherent superposition of two lower *** phaseonium system is comprised of three-level atoms with aΛ-type configuration,which are initially prepared in a coherent superposition of two lower *** accomplish this spatial modulation based on the susceptibility of phaseonium medium,a standingwave field is *** looking at how an optical field diffracts at different relative phases,we find that the zeroth and first order diffraction intensities increase as the relative phase *** also investigate the impact of the Rabi frequency of the field on diffraction intensity and notice that an increasing strength of the Rabi frequency leads to amplification in the intensity of both central zeroth order and first-order ***,it has been observed that a significant rise in diffraction intensity occurs at longer interaction lengths between external fields and the atomic medium.

关键词： electromagnetically induced grating phaseonium diffraction order interaction length

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