High-power multi-megahertz source of waveform-stabilized few-cycle light

O. Pronin (), M. Seidel, F. Lücking, J. Brons, E. Fedulova, M. Trubetskov, V. Pervak, A. Apolonski, Th. Udem and F. Krausz
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O. Pronin: Ludwig-Maximilians-Universität München, Fakultät für Physik
M. Seidel: Max-Planck-Institut für Quantenoptik
F. Lücking: Ludwig-Maximilians-Universität München, Fakultät für Physik
J. Brons: Max-Planck-Institut für Quantenoptik
E. Fedulova: Max-Planck-Institut für Quantenoptik
M. Trubetskov: Max-Planck-Institut für Quantenoptik
V. Pervak: Ludwig-Maximilians-Universität München, Fakultät für Physik
A. Apolonski: Ludwig-Maximilians-Universität München, Fakultät für Physik
Th. Udem: Max-Planck-Institut für Quantenoptik
F. Krausz: Ludwig-Maximilians-Universität München, Fakultät für Physik

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

Abstract: Abstract Waveform-stabilized laser pulses have revolutionized the exploration of the electronic structure and dynamics of matter by serving as the technological basis for frequency-comb and attosecond spectroscopy. Their primary sources, mode-locked titanium-doped sapphire lasers and erbium/ytterbium-doped fibre lasers, deliver pulses with several nanojoules energy, which is insufficient for many important applications. Here we present the waveform-stabilized light source that is scalable to microjoule energy levels at the full (megahertz) repetition rate of the laser oscillator. A diode-pumped Kerr-lens-mode-locked Yb:YAG thin-disk laser combined with extracavity pulse compression yields waveform-stabilized few-cycle pulses (7.7 fs, 2.2 cycles) with a pulse energy of 0.15 μJ and an average power of 6 W. The demonstrated concept is scalable to pulse energies of several microjoules and near-gigawatt peak powers. The generation of attosecond pulses at the full repetition rate of the oscillator comes into reach. The presented system could serve as a primary source for frequency combs in the mid infrared and vacuum UV with unprecedented high power levels.

Date: 2015
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DOI: 10.1038/ncomms7988

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