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Journal Article

High-Field High-Repetition-Rate Sources for the Coherent THz Control of Matter

MPS-Authors
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Nicoletti,  Daniele
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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Kaiser,  Stefan
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Max Planck Institut für Festkörperforschung, Heisenbergstr. 1, 70569 Stuttgart, Germany;
Universität Stuttgart, Pfaffenwaldring 57, 70550 Stuttgart, Germany;

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Laplace,  Yannis
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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Rajasekaran,  Srivats
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

Zhang,  Lijian
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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Cavalleri,  Andrea
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

Fulltext (public)

srep22256.pdf
(Publisher version), 2MB

Supplementary Material (public)

srep22256-s1.pdf
(Supplementary material), 677KB

Citation

Green, B., Kovalev, S., Asgekar, V., Geloni, G., Lehnert, U., Golz, T., et al. (2016). High-Field High-Repetition-Rate Sources for the Coherent THz Control of Matter. Scientific Reports, 6: 22256. doi:10.1038/srep22256.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002A-0411-8
Abstract
Ultrashort flashes of THz light with low photon energies of a few meV, but strong electric or magnetic field transients have recently been employed to prepare various fascinating nonequilibrium states in matter. Here we present a new class of sources based on superradiant enhancement of radiation from relativistic electron bunches in a compact electron accelerator that we believe will revolutionize experiments in this field. Our prototype source generates high-field THz pulses at unprecedented quasi-continuous-wave repetition rates up to the MHz regime. We demonstrate parameters that exceed state-of-the-art laser-based sources by more than 2 orders of magnitude. The peak fields and the repetition rates are highly scalable and once fully operational this type of sources will routinely provide 1 MV/cm electric fields and 0.3 T magnetic fields at repetition rates of few 100 kHz. We benchmark the unique properties by performing a resonant coherent THz control experiment with few 10 fs resolution.