Journal
AIP ADVANCES
Volume 4, Issue 7, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4890100
Keywords
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Funding
- National Natural Science Foundation of China [11304219, 11004108]
- Natural Science Foundation of Shanxi Province [2012021010-3]
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Dark mode which is subradiant plays a key role in the generation of Fano effect. This study proposes that plasmon interaction between dark modes is a favorable method to generate multiple Fano resonances, where plasmon hybridization leads to the formation of a subradiant bonding and a subradiant antibonding combination. It demonstrates that a concentric ring/ring cavity dimer introduces interactions that render bonding quadrupolar ring mode dipole active, resulting in a pronounced Fano resonance. The corresponding antibonding quadrupolar ring mode is excited in a symmetry breaking nonconcentric cavity dimer, and double Fano resonances appear in the spectra. (C) 2014 Author(s).
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