2-D isotropic negative refractive index in a N-type four-level atomic system

• URL: http://arxiv.org/abs/2403.12105v1
• Date: Sun, 17 Mar 2024 14:14:49 GMT
• Title: 2-D isotropic negative refractive index in a N-type four-level atomic system
• Authors: Shun-Cai Zhao, Qi-Xuan Wu, Kun Ma,
• Abstract summary: 2-D(Two-dimensional) isotropic negative refractive index (NRI) is explicitly realized via the orthogonal signal and coupling standing-wave fields. Compared with other 2-D NRI schemes, the coherent atomic vapor media in our scheme may be an ideal 2-D isotropic NRI candidate.
• Score: 0.5861830465543534
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: 2-D(Two-dimensional) isotropic negative refractive index (NRI) is explicitly realized via the orthogonal signal and coupling standing-wave fields coupling the N-type four-level atomic system. Under some key parameters of the dense vapor media, the atomic system exhibits isotropic NRI with simultaneous negative permittivity and permeability (i.e. Left-handedness) in the 2-D x-y plane. Compared with other 2-D NRI schemes, the coherent atomic vapor media in our scheme may be an ideal 2-D isotropic NRI candidate and has some potential advantages, significance or applications in the further investigation.

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