Fano resonance in (gold core)-(dielectric shell) nanostructures without symmetry breaking |
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| Authors: | Chen Huanjun Shao Lei Man Yat Cho Zhao Chunmei Wang Jianfang Yang Baocheng |
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| Affiliation: | Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China. |
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| Abstract: | A Fano resonance is observed in highly symmetric nanostructures comprising Au nanosphere cores and dielectric shells. It arises from the interference between the narrow plasmon resonance of the Au nanosphere core and the broad scattering background of the dielectric shell. The Fano resonance behavior is dependent on the gap distance between the core and shell and the shell material. |
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| Keywords: | Fano resonance gold nanostructures plasmon resonance scattering |
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