NDLI: Perfect Absorption of Light by Coherently Induced Plasmon Hybridization in Ultrathin Metamaterial Film

Content Provider	Springer Nature Link
Author	Pu, Mingbo Feng, Qin Hu, Chenggang Luo, Xiangang
Copyright Year	2012
Abstract	We demonstrated numerically that light can be totally absorbed by an ultrathin metamaterial film through coherently induced plasmon hybridization. Two fundamental modes, namely symmetrical and antisymmetrical modes, are observed in the metal–insulator–metal structure and attributed to the electric and magnetic resonance, respectively. Each kind of resonance is related to a distinct absorption peak for the corresponding coherent inputs. In particular, it is found that the antisymmetrical absorption is almost omnidirectional and suitable for divergent beams with arbitrary polarization and angle of incidence. To interpret the interaction of magnetic and electric fields with the structure, effective material parameters of the metamaterial are also retrieved, showing good agreement with the intuitive discussion. Furthermore, the general condition of coherent perfect absorption in a metamaterial thin film is given, which could be helpful for the design and understanding of such absorbers.
Starting Page	733
Ending Page	738
Page Count	6
File Format	PDF
ISSN	15571955
Journal	Plasmonics
Volume Number	7
Issue Number	4
e-ISSN	15571963
Language	English
Publisher	Springer US
Publisher Date	2012-04-28
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Metamaterials Plasmon hybridization Perfect absorber Biochemistry Nanotechnology Biophysics and Biological Physics Biotechnology
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Biochemistry Biophysics Biotechnology

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