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The unique properties of plasmonic Fano resonances have drawn extraordinary attention owing to their potential for interesting applications in biochemical sensing, slow light devices, near-field enhancement, and active plasmonics. Recent experiments have demonstrated that Fano resonances can be generated from a plasmonic nanocluster (nano-blossom) due to the destructive interference of the superradiant...
A plasmonic sensor based on the nano-cylinder photonic crystal slab is modeled and designed for the refractive index sensing application. Design considerations and sensor characteristics are explored in detail using the higher order accuracy spectral element method. The geometrical parameters of the designed plasmonic sensor are optimized. With the shallowly etched configuration and the small radius...
We demonstrate antenna-enhanced hydrogen sensing at the single-particle level. We place a single palladium nanoparticle near the tip region of a gold nanoantenna and detect the changing optical properties of the system upon hydrogen exposure.
Summary form only given. We introduce a novel sensor concept in the field of plasmonics, namely plasmon-induced transparency sensors. These sensors combine localized particle plasmon resonances with extremely small sensing volume with excellent sharp spectral resonances that show a good response to refractive index changes of the surrounding environment. The principle is based on the plasmonic analog...
We experimentally demonstrate a nanoplasmonic analog of electromagnetically induced transparency utilizing a stacked optical metamaterial. Specifically, we achieve a very narrow transparency window with high modulation depth due to nearly complete suppression of radiative losses.
We experimentally demonstrate a nanoplasmonic analog of electromagnetically induced transparency utilizing a stacked optical metamaterial. Specifically, we achieve a very narrow transparency window with high modulation depth due to nearly complete suppression of radiative losses.
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