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Sci Rep. 2017 Jul 12;7(1):5224. doi: 10.1038/s41598-017-05082-w.

Next Generation Driver for Attosecond and Laser-plasma Physics.

Author information

1
Max-Planck-Institut für Quantenoptik, Hans-Kopfermann Strasse 1, 85748, Garching, Germany. daniel.rivas@icfo.eu.
2
Ludwig-Maximilian-Universität München, Am Couloumbwall 1, 85748, Garching, Germany. daniel.rivas@icfo.eu.
3
ICFO - The Institute of Photonic Sciences, Av. Carl Friedrich Gauss, 3, 08860, Castelldefels (Barcelona), Spain. daniel.rivas@icfo.eu.
4
Max-Planck-Institut für Quantenoptik, Hans-Kopfermann Strasse 1, 85748, Garching, Germany.
5
Service des Photons, Atomes et Molécules, CEA, DSM/IRAMIS, CEN Saclay, 91191, Gif-sur-Yvette, France.
6
Ludwig-Maximilian-Universität München, Am Couloumbwall 1, 85748, Garching, Germany.
7
Department of Applied Physics, Benin School of Engineering and Computer Science, Hebrew University of Jerusalem, Jerusalem, 91904, Israel.
8
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), P. O. Box 800-211, Shanghai, 201800, China.
9
Peking University Shenzhen SOC Key Laboratory, PKU-HKUST Shenzhen-Hong Kong Institution, Shenzhen, 518057, China.
10
Wigner Research Centre for Physics, Hungarian Academy of Sciences, Association EURATOM HAS, Budapest, Hungary.
11
Foundation for Research and Technology-Hellas, Institute of Electronic Structure and Laser, PO Box 1527, GR-711 10, Heraklion, Crete, Greece.
12
Max-Planck-Institut für Quantenoptik, Hans-Kopfermann Strasse 1, 85748, Garching, Germany. laszlo.veisz@umu.se.
13
Department of Physics, Umeå University, SE-901 87, Umeå, Sweden. laszlo.veisz@umu.se.

Abstract

The observation and manipulation of electron dynamics in matter call for attosecond light pulses, routinely available from high-order harmonic generation driven by few-femtosecond lasers. However, the energy limitation of these lasers supports only weak sources and correspondingly linear attosecond studies. Here we report on an optical parametric synthesizer designed for nonlinear attosecond optics and relativistic laser-plasma physics. This synthesizer uniquely combines ultra-relativistic focused intensities of about 1020 W/cm2 with a pulse duration of sub-two carrier-wave cycles. The coherent combination of two sequentially amplified and complementary spectral ranges yields sub-5-fs pulses with multi-TW peak power. The application of this source allows the generation of a broad spectral continuum at 100-eV photon energy in gases as well as high-order harmonics in relativistic plasmas. Unprecedented spatio-temporal confinement of light now permits the investigation of electric-field-driven electron phenomena in the relativistic regime and ultimately the rise of next-generation intense isolated attosecond sources.

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