Narrow-band multiresonant plasmon nanostructure for the coherent control of light: An optical analog of the xylophone

We demonstrate that it is possible to combine several small metallic particles in a very compact geometry without loss of their individual modal properties by adding a gold metallic film underneath. This film essentially acts as a "ground plane" which channels the optical field of each particle and decreases the interparticle coupling. The localization of the electric field can then be controlled temporally by illuminating the chain with a chirped pulse. The sign of the chirp controls the excitation sequence of the particles with great flexibility.


Published in:
Physical Review Letters, 100, 11, -
Year:
2008
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 Record created 2011-04-11, last modified 2018-03-17

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