Tuneable complementary metamaterial structures based on graphene for single and multiple transparency windows

Jun Ding, Bayaner Arigong, Han Ren, Mi Zhou, Jin Shao, Meng Lu, Yang Chai, Yuankun Lin, Hualiang Zhang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

157 Citations (Scopus)


Novel graphene-based tunable plasmonic metamaterials featuring single and multiple transparency windows are numerically studied in this paper. The designed structures consist of a graphene layer perforated with quadrupole slot structures and dolmen-like slot structures printed on a substrate. Specifically, the graphene-based quadrupole slot structure can realize a single transparency window, which is achieved without breaking the structure symmetry. Further investigations have shown that the single transparency window in the proposed quadrupole slot structure is more likely originated from the quantum effect of Autler-Townes splitting. Then, by introducing a dipole slot to the quadrupole slot structure to form the dolmen-like slot structure, an additional transmission dip could occur in the transmission spectrum, thus, a multiple-transparency-window system can be achieved (for the first time for graphene-based devices). More importantly, the transparency windows for both the quadrupole slot and the dolmen-like slot structures can be dynamically controlled over a broad frequency range by varying the Fermi energy levels of the graphene layer (through electrostatic gating). The proposed slot metamaterial structures with tunable single and multiple transparency windows could find potential applications in many areas such as multiple-wavelength slow-light devices, active plasmonic switching, and optical sensing.
Original languageEnglish
Article number6128
JournalScientific Reports
Publication statusPublished - 22 Aug 2014

ASJC Scopus subject areas

  • General


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