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Carrier-envelope phase effects on the strong-field photoemission of electrons from metallic nanostructures (Articolo in rivista)

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Carrier-envelope phase effects on the strong-field photoemission of electrons from metallic nanostructures (Articolo in rivista) (literal)

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Piglosiewicz, Bjoern; Schmidt, Slawa; Park, Doo Jae; Vogelsang, Jan; Gross, Petra; Manzoni, Cristian; Farinello, Paolo; Cerullo, Giulio; Lienau, Christoph (2014)
Carrier-envelope phase effects on the strong-field photoemission of electrons from metallic nanostructures
in Nature photonics (Print); Nature Publishing Group, London (Regno Unito)
(literal)

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Piglosiewicz, Bjoern; Schmidt, Slawa; Park, Doo Jae; Vogelsang, Jan; Gross, Petra; Manzoni, Cristian; Farinello, Paolo; Cerullo, Giulio; Lienau, Christoph (literal)

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Carl von Ossietzky Universitat Oldenburg; Carl von Ossietzky Universitat Oldenburg; Consiglio Nazionale delle Ricerche (CNR) (literal)

Titolo

Carrier-envelope phase effects on the strong-field photoemission of electrons from metallic nanostructures (literal)

Abstract

Sharp metallic nanotapers irradiated with few-cycle laser pulses are emerging as a source of highly confined coherent electron wave packets with attosecond duration and strong directivity(1-6). The possibility to steer, control or switch such electron wave packets with light(7) is expected to pave the way towards direct visualization of nanoplasmonic field dynamics(8-10) and real-time probing of electron motion(11,12) in solid-state nanostructures(13,14). Such pulses can be generated by strong-field-induced tunnelling and acceleration of electrons in the near-field of sharp gold tapers within one half-cycle of the driving laser field(1,2,5). Here, we show the effect of the carrier-envelope phase of the laser field on the generation and motion of strong-field-emitted electrons from such tips. We observe clear variations in the width of plateau-like photoelectron spectra characteristic of the subcycle regime. This is a step towards controlling the coherent electron motion in and around metallic nanostructures over ultrashort lengths and timescales. (literal)

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