Circular dichroism from Fano resonances in planar chiral oligomers
Here we present a general approach for describing the physics of Fano resonances in nanoparticle oligomers. It is shown that the interference of nonorthogonal collective eigenmodes is a sufficient condition to produce Fano resonances. We then show that such nonorthogonality between eigenmodes also permits the existence of a new form circular dichroism in the absorption and scattering cross-sections, even when circular dichroism is forbidden in the extinction cross-section.
|Collections||ANU Research Publications|
|Source:||Proceedings of SPIE - The International Society for Optical Engineering|
|Access Rights:||Open Access|
|01_Hopkins_Circular_dichroism_from_Fano_2015.pdf||463.43 kB||Adobe PDF|
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