Reference : Sub-femtosecond electron transport in a nanoscale gap
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/43581
Sub-femtosecond electron transport in a nanoscale gap
English
Ludwig, Markus mailto [University of Konstanz, Germany > Department of Physics and Center for Applied Photonics]
Aguirregabiria, Garikoitz [Centro de Física de Materiales, Centro Mixto CSIC-UPV/EHU and Donostia International Physics Center (DIPC), Donostia–San Sebastián, Spain]
Ritzkowsky, Felix [University of Konstanz, Germany. > Department of Physics and Center for Applied Photonics]
Rybka, Tobias [University of Konstanz, Germany. > Department of Physics and Center for Applied Photonics]
Marinica, Dana Codruta [Institut des Sciences Moléculaires d′Orsay – UMR 8214, CNRS–Université Paris Sud, Orsay, France]
Aizpurua, Javier [Centro de Física de Materiales, Centro Mixto CSIC-UPV/EHU and Donostia International Physics Center (DIPC), Donostia–San Sebastián, Spain]
Borisov, Andrei G. [Institut des Sciences Moléculaires d′Orsay – UMR 8214, CNRS–Université Paris Sud, Orsay, France]
Leitenstorfer, Alfred [University of Konstanz, Germany. > Department of Physics and Center for Applied Photonics]
Brida, Daniele mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit > ; University of Konstanz, D-78457 Konstanz, Germany > Department of Physics and Center for Applied Photonics]
2019
Nature Physics
Nature Publishing Group
Yes (verified by ORBilu)
1745-2473
1745-2481
London
United Kingdom
[en] The strong fields associated with few-cycle pulses can drive highly nonlinear phenomena, allowing the direct control of electrons
in condensed matter systems. In this context, by employing near-infrared single-cycle pulse pairs, we measure interferometric
autocorrelations of the ultrafast currents induced by optical field emission at the nanogap of a single plasmonic nanocircuit.
The dynamics of this ultrafast electron nanotransport depends on the precise temporal field profile of the optical driving pulse.
Current autocorrelations are acquired with sub-femtosecond temporal resolution as a function of both pulse delay and absolute
carrier-envelope phase. Quantitative modelling of the experiments enables us to monitor the spatiotemporal evolution of the
electron density and currents induced in the system and to elucidate the physics underlying the electron transfer driven by
strong optical fields in plasmonic gaps. Specifically, we clarify the interplay between the carrier-envelope phase of the driving
pulse, plasmonic resonance and quiver motion.
http://hdl.handle.net/10993/43581
10.1038/s41567-019-0745-8

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