Fano Resonance Enhanced Nonreciprocal Absorption and Scattering of Light
AbstractWe reveal that asymmetric plasmonic nanostructures can exhibit significantly different absorption and scattering properties for light that propagates in opposite directions, despite the conservation of total extinction. We analytically demonstrate that this is a consequence of nonorthogonality of eigenmodes of the system. This results in the necessity for modal interference with potential enhancement via Fano resonances. Based on our theory, we propose a stacked nanocross design whose optical response exhibits an abrupt change between absorption and scattering cross-sections for plane waves propagating in opposite directions. This work thereby proposes the use of Fano resonances to employ nanostructures for measuring and distinguishing optical signals coming from opposite directions. View Full-Text
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Hopkins, B.; Miroshnichenko, A.E.; N. Poddubny, A.; Kivshar, Y.S. Fano Resonance Enhanced Nonreciprocal Absorption and Scattering of Light. Photonics 2015, 2, 745-757.
Hopkins B, Miroshnichenko AE, N. Poddubny A, Kivshar YS. Fano Resonance Enhanced Nonreciprocal Absorption and Scattering of Light. Photonics. 2015; 2(2):745-757.Chicago/Turabian Style
Hopkins, Ben; Miroshnichenko, Andrey E.; N. Poddubny, Alexander; Kivshar, Yuri S. 2015. "Fano Resonance Enhanced Nonreciprocal Absorption and Scattering of Light." Photonics 2, no. 2: 745-757.