期刊
OPTICS EXPRESS
卷 22, 期 20, 页码 23749-23758出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.22.023749
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资金
- National Nature Science Fund [11104079, 61378033]
- National Key Scientific Instrument Project [2012YQ150092]
- Research Foundation for the Doctoral Program of Higher Education of China [20110076120019]
- Program of Introducing Talents of Discipline to Universities [B12024]
- State Key Laboratory of Luminescent Materials and Devices at South China University of Technology
Direct interference between the orthogonal electric and magnetic modes in a hybrid silicon-gold nanocavity is demonstrated to induce a pronounced asymmetric magnetic-based Fano resonance in the total scattering spectrum at near-infrared frequencies. Differing from the previously reported magnetic-based Fano resonances in metal nanoparticle clusters, the narrow discrete mode provided by the silicon magnetic dipole resonance can be directly excited by external illumination, and greatly enhanced electric and magnetic fields are simultaneously obtained at the Fano dip. (C) 2014 Optical Society of America
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