dc.contributor.authorSrivastava, Yogesh Kumar
dc.contributor.authorManjappa, Manukumara
dc.contributor.authorKrishnamoorthy, Harish N. S.
dc.contributor.authorSingh, Ranjan
dc.contributor.authorKrishnamoorthy, Harish Natarajan Swaha
dc.identifier.citationSrivastava, Y. K., Manjappa, M., Krishnamoorthy, H. N. S., & Singh, R. (2016). Accessing the High-Q Dark Plasmonic Fano Resonances in Superconductor Metasurfaces. Advanced Optical Materials, 4(11), 1875-1881.en_US
dc.description.abstractSuperconducting metamaterials at terahertz frequencies has provided a platform for designing switchable plasmonic metamaterial devices. However, since metals at terahertz frequencies are excellent conductors, the superior role of superconductors in designing low-loss, high quality factor metamaterials remains unclear. In this work, a low asymmetry Fano resonant split-ring-resonator is considered in which a regime of extremely low radiative loss is identified where the high temperature yttrium barium copper oxide superconductor meta-atom supports a sharp high quality factor Fano resonance while an identical metallic resonator does not show the resonance behavior. The radiative and the nonradiative losses are comparable in low asymmetry Fano resonant meta-atoms. The observation of high quality factor Fano resonance behavior clearly establishes the utility of superconductors over metals in designing lower loss plasmonic metamaterials at terahertz frequencies that may have multifunctional applications in areas that require strong light–matter interactions.en_US
dc.description.sponsorshipMOE (Min. of Education, S’pore)en_US
dc.relation.ispartofseriesAdvanced Optical Materialsen_US
dc.rights© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.en_US
dc.subjectFano Resonance Phenomenaen_US
dc.subjectHigh-Q Resonancesen_US
dc.titleAccessing the High-Q Dark Plasmonic Fano Resonances in Superconductor Metasurfacesen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US

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