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Proceedings Paper

Photoemission at metallic nanostructures: multiphoton and strong-field dynamics
Author(s): G. Herink; D. R. Solli; L. Wimmer; M. Gulde; K. Echternkamp; S. V. Yalunin; R. Bormann; C. Ropers
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Paper Abstract

Photoemission from nanostructures offers sub-wavelength field localization and enhancement. Excited by ultrashort pulses, electron emission can be confined and controlled in both time and space. Studies with metallic nanotips have examined the transition to strong-field conditions in photoemission. Reaching deeply into this regime with ultrashort mid-infrared pulses, we generate photoelectrons up to hundreds of electron volts and observe dynamics in which electrons are ejected from the field-enhanced region in less than an optical half cycle. Moreover, single cycle terahertz pulses are shown to yield a novel means of control over the photoemission process.

Paper Details

Date Published: 14 March 2013
PDF: 6 pages
Proc. SPIE 8623, Ultrafast Phenomena and Nanophotonics XVII, 862311 (14 March 2013); doi: 10.1117/12.2004853
Show Author Affiliations
G. Herink, Univ. Göttingen (Germany)
D. R. Solli, Univ. Göttingen (Germany)
L. Wimmer, Univ. Göttingen (Germany)
M. Gulde, Univ. Göttingen (Germany)
K. Echternkamp, Univ. Göttingen (Germany)
S. V. Yalunin, Univ. Göttingen (Germany)
R. Bormann, Univ. Göttingen (Germany)
C. Ropers, Univ. Göttingen (Germany)

Published in SPIE Proceedings Vol. 8623:
Ultrafast Phenomena and Nanophotonics XVII
Markus Betz; Abdulhakem Y. Elezzabi; Jin-Joo Song; Kong-Thon Tsen, Editor(s)

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