Since its discovery, the asymmetric Fano resonance has been a characteristic feature of interacting quantum systems. The shape of this resonance is distinctively different from that of conventional symmetric resonance curves. Recently, the Fano resonance has been found in plasmonic nanoparticles, photonic crystals, and electromagnetic metamaterials. The steep dispersion of the Fano resonance profile promises applications in sensors, lasing, switching, and nonlinear and slow-light devices.
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The authors acknowledge valuable technical assistance from Dr Nikolay A. Mirin, J. Britt Lassiter and Shaunak Mukherjee. The research presented in this paper is supported in part by the Agency for Science, Technology and Research (A*STAR) for financial support (THz S&T Inter-RI Program, Project 082 141 0039, SERC Metamaterials Program on Superlens, grant no. 092 154 0099 and A*STAR TSRP Program, grant no. 102 152 0018) (B.L. and C.T.C.); the UK Engineering and Physical Sciences Research Council and the Royal Society (S.A.M. and N.I.Z.); the US Department of Defense NSSEFF (N.J.H.), the Robert A. Welch Foundation C-1220 and C-1222, and the Center for Advanced Solar Photophysics, a Energy Frontier Research Center funded by the US Department of Energy (N.J.H. and P.N.); and the Deutsche Forschungsgemeinschaft of the Federal Republic of Germany (FOR 557, FOR 730, SPP1391) and the Bundesministerium für Bildung und Forschung (H.G.) for support.
The authors declare no competing financial interests.
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Luk'yanchuk, B., Zheludev, N., Maier, S. et al. The Fano resonance in plasmonic nanostructures and metamaterials. Nature Mater 9, 707–715 (2010). https://doi.org/10.1038/nmat2810
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