Bidirectional waveguide coupling with plasmonic Fano nanoantennas
We introduce the concept of a bidirectional, compact single-element Fano nanoantenna that allows for directional coupling of light in opposite directions of a high-index dielectric waveguide for two different operation wavelengths. We utilize a Fano resonance to tailor the radiation phases of a gold nanodisk and a nanoslit that is inscribed into the nanodisk to realize bidirectional scattering. We show that this Fano nanoantenna operates as a bidirectional waveguide coupler at telecommunication...[Show more]
|Collections||ANU Research Publications|
|Source:||Applied Physics Letters|
|01_Guo_Bidirectional_waveguide_2014.pdf||Published Version||956.29 kB||Adobe PDF|
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