Claus Ropers et al 2007 New J. Phys. 9 397 doi:10.1088/1367-2630/9/10/397
Ultrafast optical excitations of metallic nanostructures: from light confinement to a novel electron source
Focus on Advances in Surface and Interface ScienceClaus Ropers1, Thomas Elsaesser1, Giulio Cerullo2, Margherita Zavelani-Rossi2 and Christoph Lienau3,4
Show affiliationsPart of Focus on Advances in Surface and Interface Science
Combining ultrafast coherent spectroscopy with nano-optical microscopy techniques offers a wealth of new possibilities for exploring the structure and function of nanostructures. In this paper, we describe newly developed nano-optical methods based on short-pulse laser sources with durations in the 10 fs regime. These techniques are used to unravel some of the intricate dynamics of elementary excitations in metallic nanostructures. Specifically, we explore light localization and storage in plasmonic crystals, demonstrate field enhancement and second harmonic generation from metallic nanotips and describe a novel nanometre-sized source of electron pulses. The rapid progress in this area offers exciting new prospects for probing and controlling electron dynamics in metallic nanostructures with femtosecond temporal and nanometre spatial resolution.
- PACS
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78.67.-n Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
78.47.-p Spectroscopy of solid state dynamics
42.65.Ky Frequency conversion; harmonic generation, including higher-order harmonic generation
- Subjects
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Condensed matter: electrical, magnetic and optical
Surfaces, interfaces and thin films
- Dates
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Issue 10 (October 2007)
Received 4 June 2007
Published 31 October 2007
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Ultrafast optical excitations of metallic nanostructures: from light confinement to a novel electron source
Claus Ropers et al 2007 New J. Phys. 9 397
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