Photoemission at metallic nanostructures: multiphoton and strong-field dynamics

G. Herink; D. R. Solli; L. Wimmer; M. Gulde; K. Echternkamp; S. V. Yalunin; R. Bormann; C. Ropers

doi:10.1117/12.2004853

14 March 2013 Photoemission at metallic nanostructures: multiphoton and strong-field dynamics

G. Herink, D. R. Solli, L. Wimmer, M. Gulde, K. Echternkamp, S. V. Yalunin, R. Bormann, C. Ropers

Proceedings Volume 8623, Ultrafast Phenomena and Nanophotonics XVII; 862311 (2013) https://doi.org/10.1117/12.2004853
Event: SPIE OPTO, 2013, San Francisco, California, United States

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.

Citation Download Citation

G. Herink, D. R. Solli, L. Wimmer, M. Gulde, K. Echternkamp, S. V. Yalunin, R. Bormann, and C. Ropers "Photoemission at metallic nanostructures: multiphoton and strong-field dynamics", Proc. SPIE 8623, Ultrafast Phenomena and Nanophotonics XVII, 862311 (14 March 2013); https://doi.org/10.1117/12.2004853

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