Time-Reversal Coherent Control in Nanoplasmonics

Details Time-Reversal Coherent Control in Nanoplasmonics Time-Reversal Coherent Control in Nanoplasmonics

2007-05-04

arxiv.org/abs/0705.0553v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

5 pages, 4 figures

Scientific paper

We introduce an approach to determining the required waveforms to coherently control the optical energy localization in plasmonic nanosystems. This approach is based on the impulsive localized excitation of the nanosystem and time reversal of the generated far-zone field at a single point with one polarization. Despite strong interaction and significant dephasing and dissipation in metal plasmonic systems, and incompleteness of this time reversal, the proposed approach proves to be very efficient in controlling the nanoscale optical fields. Possible applications include nanoscale spectroscopy and photomodification, ultradense memory, and information processing on the nanoscale.

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