Fano-Resonance of a Planar Metamaterial

We demonstrate experimentally a intriguing Fano-resonance in a perforated planar metamaterial with hole and slit pairs. The transmission strength of the Fano-resonance is modulated by interference between the composite diffracted evanescent wave and the direct transmission held instead of by the cou...

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Veröffentlicht in:	Chinese physics letters 2013-07, Vol.30 (7), p.77308-1-077308-3, Article 077308
1. Verfasser:	Huang, Wan-Xia
Format:	Artikel
Sprache:	eng
Schlagworte:	Devices Diffraction Evanescent waves Interference Joining Metamaterials Plasmonics Slits
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Beschreibung
Zusammenfassung:	We demonstrate experimentally a intriguing Fano-resonance in a perforated planar metamaterial with hole and slit pairs. The transmission strength of the Fano-resonance is modulated by interference between the composite diffracted evanescent wave and the direct transmission held instead of by the coupling between two plasmonic modes. Our metamaterials might have potential applications in future designs of plasmonic devices.
ISSN:	0256-307X 1741-3540
DOI:	10.1088/0256-307X/30/7/077308