Self-compression of 5-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si17.svg" display="inline" id="d1e196"><mml:mrow><mml:mi mathvariant="normal">μ</mml:mi><mml:mi mathvariant="normal">m</mml:mi></mml:mrow></mml:math> pulses in hollow waveguides
Martin BöckMax Born Institute, Max Born Str. 2a, Berlin, D-12489, GermanyУ. К. СапаевTashkent Branch of the Russian Gubkin University, Durmon Yuli Street 34, Tashkent, 100125, UzbekistanJı Eun BaeCentre de Recherche sur les Ions, les Matériaux et la Photonique (CIMAP), UMR 6252, CEA-CNRS-ENSICAEN, Université de Caen Normandie, 6 Boulevard Maréchal Juin, Caen Cedex 4, 14050, FranceAnton HusakouMax Born Institute, Max Born Str. 2a, Berlin, D-12489, GermanyJoachım HerrmannMax Born Institute, Max Born Str. 2a, Berlin, D-12489, GermanyTamás NagyMax Born Institute, Max Born Str. 2a, Berlin, D-12489, GermanyUwe GriebnerMax Born Institute, Max Born Str. 2a, Berlin, D-12489, Germany
ABI
Аннотация
We experimentally and numerically investigate self-compression of pulses around 5 μ m wavelength in a noble-gas-filled hollow waveguides. We demonstrate spectral broadening of multi-mJ pulses at 4 . 9 μ m and associated pulse compression from 85 fs to 47 fs in the solitonic pulse compression regime. The self-compression resulted in sub-three-cycle pulses with 17 GW peak power in the 1-kHz pulse train. A numerical model is established and benchmarked against the experimental results. It allows further insights into the pulse compression process, such as scaling of the compression as a function of gas pressure and waveguide radius, and predicts pulse compression in sub-cycle regime for realistic input parameters.
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