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Zero absorption and a large negative refractive index in a left-handed four-level atomic medium

文献类型：期刊论文

作者Zhao, Shuncai1,2,3; Liu, Zhengdong1,2,3; Wu, Qixuan4
刊名JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
出版日期2010-02-28
卷号43页码:7
ISSN号0953-4075
DOI10.1088/0953-4075/43/4/045505
英文摘要In this paper, we have investigated three external fields interacting with the four-level atomic system described by the density-matrix approach. The atomic system exhibits left-handedness with zero absorption and large negative refractive index. Varying the parameters of the three external fields, the properties of zero absorption and large negative refractive index from the atomic system remain unvarying. Our scheme proposes an approach to obtain a negative refractive medium with zero absorption. The zero absorption property of the atomic system may be used to amplify the evanescent waves that have been lost in the imaging by traditional lenses, and a slab fabricated by the left-handed atomic system may be an ideal candidate for designing perfect lenses.
WOS关键词LOW-FREQUENCY PLASMONS ; EXPERIMENTAL-VERIFICATION ; METAMATERIALS ; TERAHERTZ
资助项目National Natural Science Foundation of China[60768001] ; National Natural Science Foundation of China[10464002]
WOS研究方向Optics ; Physics
语种英语
WOS记录号WOS:000274270000013
出版者IOP PUBLISHING LTD
资助机构National Natural Science Foundation of China
源URL[http://119.78.100.186/handle/113462/32134]  
专题中国科学院近代物理研究所
通讯作者Zhao, Shuncai
作者单位1.Nanchang Univ, Sch Mat Sci & Engn, Nanchang 330031, Peoples R China
2.Nanchang Univ, Engn Res Ctr Nanotechnol, Nanchang 330047, Peoples R China
3.Inst Modern Phys, Nanchang 330031, Peoples R China
4.Hainan Univ, Coll English Dept, Danzhou 571737, Peoples R China
推荐引用方式
GB/T 7714		 Zhao, Shuncai,Liu, Zhengdong,Wu, Qixuan. Zero absorption and a large negative refractive index in a left-handed four-level atomic medium[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,2010,43:7.
APA Zhao, Shuncai,Liu, Zhengdong,&Wu, Qixuan.(2010).Zero absorption and a large negative refractive index in a left-handed four-level atomic medium.JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,43,7.
MLA Zhao, Shuncai,et al."Zero absorption and a large negative refractive index in a left-handed four-level atomic medium".JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS 43(2010):7.

入库方式： OAI收割

来源：近代物理研究所

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