451 citations
- École Nationale Supérieure de Techniques AvancéesFR146 papers
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9 papers · 1 filter
Steering laser-produced THz radiation in air with superluminal ionization fronts
Silin Fu, Baptiste Groussin, Yi Liu +3
We demonstrate that pulsed THz radiation produced in air by a focused ultrashort laser pulse can be steered to large angles or even in the backward direction with respect to the la…
Quantum erasing of laser emission in N
Rostyslav Danylo, Guillaume Lambert, Yi Liu +3
Cavity-free lasing of N induced by a femtosecond laser pulse at 800~nm is nearly totally suppressed by a delayed twin pump pulse. We explain this surprising effect within the…
Generation of XUV spectral continua from relativistic plasma mirrors driven in the near-single-cycle limit
Frederik Böhle, Maxence Thévenet, Maïmouna Bocoum +3
function of the CEP, we observe a transition from a modulated to a continuous SHHG spectrum, indicating the transition from double to high-contrast isolated attosecond pulse emissi…
Compression of CEP-stable multi-mJ laser pulses down to 4 fs in long hollow fibers
Frederik Bohle, Martin Kretschmar, Aurelie Jullien +8
Carrier envelope phase stable 4 fs near-IR pulses with 3 mJ energy were generated by spectral broadening of circularly polarized 8 mJ pulses in a differentially pumped 2 m long com…
Underwater acoustic wave generation by filamentation of terawatt ultrashort laser pulses
Vytautas Jukna, Amelie Jarnac, Carles Milián +9
Acoustic signals generated by filamentation of ultrashort TW laser pulses in water are characterized experimentally. Measurements reveal a strong influence of input pulse duration…
Recollision induced superradiance of ionized nitrogen molecules
Yi Liu, Pengji Ding, Guillaume Lambert +3
We propose a new mechanism to explain the origin of optical gain in the transitions between excited and ground state of the ionized nitrogen molecule following irradiation of neutr…