Toward Full Spatiotemporal Control on the Nanoscale

We introduce an approach to implement full coherent control on nanometer length scales. It is based on spatiotemporal modulation of the surface plasmon polariton (SPP) fields at the thick edge of a nanowedge. The SPP wavepackets propagating toward the sharp edge of this nanowedge are compressed and...

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Veröffentlicht in:	Nano letters 2007-10, Vol.7 (10), p.3145-3149
Hauptverfasser:	Durach, Maxim, Rusina, Anastasia, Stockman, Mark I, Nelson, Keith
Format:	Artikel
Sprache:	eng
Schlagworte:	Collective excitations (including excitons, polarons, plasmons and other charge-density excitations) Computer Simulation Condensed matter: electronic structure, electrical, magnetic, and optical properties Crystallization - methods Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Exact sciences and technology Macromolecular Substances - chemistry Models, Chemical Models, Molecular Molecular Conformation Nanostructures - chemistry Nanostructures - ultrastructure Nanotechnology - methods Particle Size Physics Surface and interface electron states Surface Plasmon Resonance - methods Surface Properties
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Beschreibung
Zusammenfassung:	We introduce an approach to implement full coherent control on nanometer length scales. It is based on spatiotemporal modulation of the surface plasmon polariton (SPP) fields at the thick edge of a nanowedge. The SPP wavepackets propagating toward the sharp edge of this nanowedge are compressed and adiabatically concentrated at a nanofocus, forming an ultrashort pulse of local fields. The profile of the focused waveform as a function of time and one spatial dimension is completely coherently controlled.
ISSN:	1530-6984 1530-6992
DOI:	10.1021/nl071718g