Field propagation-induced directionality of carrier-envelope phase-controlled photoemission from nanospheres

F. Süßmann, L. Seiffert, S. Zherebtsov, V. Mondes, J. Stierle, M. Arbeiter, J. Plenge, P. Rupp, C. Peltz, A. Kessel, S. A. Trushin, B. Ahn, D. Kim, C. Graf, E. Rühl (), M. F. Kling () and T. Fennel ()
Additional contact information
F. Süßmann: Max-Planck-Institut für Quantenoptik
L. Seiffert: Institut für Physik, Universität Rostock
S. Zherebtsov: Max-Planck-Institut für Quantenoptik
V. Mondes: Physical Chemistry, Freie Universität Berlin, Takustr. 3
J. Stierle: Max-Planck-Institut für Quantenoptik
M. Arbeiter: Institut für Physik, Universität Rostock
J. Plenge: Physical Chemistry, Freie Universität Berlin, Takustr. 3
P. Rupp: Max-Planck-Institut für Quantenoptik
C. Peltz: Institut für Physik, Universität Rostock
A. Kessel: Max-Planck-Institut für Quantenoptik
S. A. Trushin: Max-Planck-Institut für Quantenoptik
B. Ahn: Center for Attosecond Science and Technology, Pohang University of Science and Technology
D. Kim: Center for Attosecond Science and Technology, Pohang University of Science and Technology
C. Graf: Physical Chemistry, Freie Universität Berlin, Takustr. 3
E. Rühl: Physical Chemistry, Freie Universität Berlin, Takustr. 3
M. F. Kling: Max-Planck-Institut für Quantenoptik
T. Fennel: Institut für Physik, Universität Rostock

Nature Communications, 2015, vol. 6, issue 1, 1-9

Abstract: Abstract Near-fields of non-resonantly laser-excited nanostructures enable strong localization of ultrashort light fields and have opened novel routes to fundamentally modify and control electronic strong-field processes. Harnessing spatiotemporally tunable near-fields for the steering of sub-cycle electron dynamics may enable ultrafast optoelectronic devices and unprecedented control in the generation of attosecond electron and photon pulses. Here we utilize unsupported sub-wavelength dielectric nanospheres to generate near-fields with adjustable structure and study the resulting strong-field dynamics via photoelectron imaging. We demonstrate field propagation-induced tunability of the emission direction of fast recollision electrons up to a regime, where nonlinear charge interaction effects become dominant in the acceleration process. Our analysis supports that the timing of the recollision process remains controllable with attosecond resolution by the carrier-envelope phase, indicating the possibility to expand near-field-mediated control far into the realm of high-field phenomena.

Date: 2015
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DOI: 10.1038/ncomms8944

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