Journal
OPTICS EXPRESS
Volume 21, Issue 24, Pages 29656-29665Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.029656
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Funding
- Deutsche Forschungsgemeinschaft within the Cluster of Excellence QUEST, Centre for Quantum Engineering and Space-Time Research [Mo850/15-1]
- Swedish Research Council
- Knut and Alice Wallenberg Foundation
- European Research Council
- Leibniz Universitat Hannover
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We present a compact and ultra-stable few-cycle OPCPA system. In two non-collinear parametric amplification stages pulse energies up to 17 mu J at 200 kHz repetition rate are obtained. Recompression of the broadband pulses down to 6.3 fs is performed with chirped mirrors leading to peak powers above 800 MW. The parametric amplification processes were studied in detail employing (2 + 1) dimensional numerical simulations and compared to experimental observations in terms of spectral shapes, pulse energy, spatial effects as well as delay dependent nonlinear mixing products. This gives new insights into the parametric process and design guidelines for high repetition rate OPCPA systems. (C) 2013 Optical Society of America
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