Type
ArticleAuthors
Zhang, X.Xu, Q.
Li, Q.
Xu, Y.
Gu, J.
Tian, Z.
Ouyang, C.
Liu, Y.
Zhang, S.
Zhang, Xixiang

Han, J.
Zhang, W.
KAUST Department
Physical Science and Engineering (PSE) DivisionDate
2016-02-19Online Publication Date
2016-02-19Print Publication Date
2016-02-19Permanent link to this record
http://hdl.handle.net/10754/600685
Metadata
Show full item recordAbstract
Control over surface plasmons (SPs) is essential in a variety of cutting-edge applications, such as highly integrated photonic signal processing systems, deep-subwavelength lasing, high-resolution imaging, and ultrasensitive biomedical detection. Recently, asymmetric excitation of SPs has attracted enormous interest. In free space, the analog of electromagnetically induced transparency (EIT) in metamaterials has been widely investigated to uniquely manipulate the electromagnetic waves. In the near field, we show that the dark mode coupling mechanism of the classical EIT effect enables an exotic and straightforward excitation of SPs in a metasurface system. This leads to not only resonant excitation of asymmetric SPs but also controllable exotic SP focusing by the use of the Huygens-Fresnel principle. Our experimental findings manifest the potential of developing plasmonic metadevices with unique functionalities.Citation
Asymmetric excitation of surface plasmons by dark mode coupling 2016, 2 (2):e1501142 Science AdvancesSponsors
This work was supported by the Cooperative Innovation Center of Terahertz Science, the National Key Basic Research Program of China (grant no. 2014CB339800), the National Science Foundation of China (grant nos. 61138001, 61422509, 61427814, and 61420106006), the Program for Changjiang Scholars and Innovative Research Team in University (grant no. IRT13033), the Major National Development Project of Scientific Instruments and Equipment (grant no. 2011YQ150021), the Specialized Research Fund for the Doctoral Program of Higher Education (grant no. 20110032120058), and the U.S. NSF (grant no. ECCS-1232081).Journal
Science AdvancesPubMed ID
26989777Additional Links
http://advances.sciencemag.org/cgi/doi/10.1126/sciadv.1501142ae974a485f413a2113503eed53cd6c53
10.1126/sciadv.1501142
Scopus Count
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