Explore the words cloud of the ATTOPIE project. It provides you a very rough idea of what is the project "ATTOPIE" about.
The following table provides information about the project.
|EC max contribution
|185˙857 € (100%)
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
|from 2018-03-01 to 2020-02-29
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This project „Attosecond plasmon imaging with electrons“ (ATTOPIE) aims at the experimental realization of the long-desired attosecond photoemission electron microcope (PEEM) to record plasmonic near-fields with nanometer spatial resolution directly on the field level. In this microscope, the attosecond temporal resolution of laser physics is combined with the nanometer spatial resolution of electron microscopy. An infrared pump pulse triggers ultrafast electron dynamics on the surface of a sample. With a certain time delay, an attosecond ultraviolet pulse probes these dynamics by emitting photoelectrons from the sample. These electrons are directly accelerated in the plasmonic near-field, imprinting the field’s local strength into the kinetic energy of the electron. The emission site and the kinetic energy of each electron is recorded in a photoemission electron microscope with few ten nanometer resolution. From the locally recorded kinetic energy spectra of the electrons for a series of pump-probe delays, the complete dynamics of plasmonic near-fields can be reconstructed on the field level.
The realization of such an attosecond PEEM becomes possible by employing a state-of-the-art optical parametric chirped pulse amplification laser system with a repetition rate of 200 kHz to generate high harmonics and consequently attosecond pulses. With the increased repetition rate compared to conventional amplifier systems by a factor of 100, the measurement time is significantly reduced, rendering the experimental realization possible.
This fundamental research on the described imaging technique with direct access to the propagation and interaction of localized fields on nanometer length- and femtosecond timescales will open up a multitude of research approaches to understand, e.g., nanometric energy transport for improved photovoltaics or petahertz information processing in future optical transistors.
|authors and title
Jin-Hui Zhong, Jan Vogelsang, Jue-Min Yi, Dong Wang, Lukas Wittenbecher, Sara Mikaelsson, Anke Korte, Abbas Chimeh, Cord L. Arnold, Peter Schaaf, Erich Runge, Anne Lâ€™ Huillier, Anders Mikkelsen, Christoph Lienau
Nonlinear plasmon-exciton coupling enhances sum-frequency generation from a hybrid metal/semiconductor nanostructure
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-020-15232-w
|Nature Communications 11/1
Fabian Langer, Yen-Po Liu, Zhe Ren, Vidar Flodgren, Chen Guo, Jan Vogelsang, Sara Mikaelsson, Ivan Sytcevich, Jan Ahrens, Anne Lâ€™Huillier, Cord L. Arnold, Anders Mikkelsen
Few-cycle lightwave-driven currents in a semiconductor at high repetition rate
published pages: 276, ISSN: 2334-2536, DOI: 10.1364/optica.389150
Hampus Wikmark, Chen Guo, Jan Vogelsang, Peter W. Smorenburg, HÃ©lÃ¨ne Coudert-Alteirac, Jan Lahl, Jasper Peschel, Piotr Rudawski, Hugo Dacasa, Stefanos CarlstrÃ¶m, Sylvain Maclot, Mette B. Gaarde, Per Johnsson, Cord L. Arnold, Anne Lâ€™Huillier
Spatiotemporal coupling of attosecond pulses
published pages: 4779-4787, ISSN: 0027-8424, DOI: 10.1073/pnas.1817626116
|Proceedings of the National Academy of Sciences 116/11
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