Plasmonic EIT-like switching in bright-dark-bright plasmon resonators

In this paper we report the study of the electromagnetically induced transparency (EIT)-like transmission in the bright-dark-bright plasmon resonators. It is demonstrated that the interferences between the dark plasmons excited by two bright plasmon resonators can be controlled by the incident light...

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Bibliographic Details
Published inOptics express Vol. 19; no. 7; pp. 5970 - 5978
Main Authors Chen, Junxue, Wang, Pei, Chen, Chuncong, Lu, Yonghua, Ming, Hai, Zhan, Qiwen
Format Journal Article
LanguageEnglish
Published United States 28.03.2011
Subjects
Equipment Design
Equipment Failure Analysis
Lighting - instrumentation
Signal Processing, Computer-Assisted - instrumentation
Surface Plasmon Resonance - instrumentation
Transducers
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Summary:In this paper we report the study of the electromagnetically induced transparency (EIT)-like transmission in the bright-dark-bright plasmon resonators. It is demonstrated that the interferences between the dark plasmons excited by two bright plasmon resonators can be controlled by the incident light polarization. The constructive interference strengthens the coupling between the bright and dark resonators, leading to a more prominent EIT-like transparency window of the metamaterial. In contrary, destructive interference suppresses the coupling between the bright and dark resonators, destroying the interference pathway that forms the EIT-like transmission. Based on this observation, the plasmonic EIT switching can be realized by changing the polarization of incident light. This phenomenon may find applications in optical switching and plasmon-based information processing.
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ISSN:1094-4087
1094-4087
DOI:10.1364/oe.19.005970