Direct observation of quantum-path interferences in high order harmonic generation
CELIA, Université Bordeaux I, CEA, CNRS, UMR 5107, 33405 Talence Cedex, France
2 Physics Department, ETH Zürich, 8093 Zürich, Switzerland
3 Clarendon Laboratory, Parks Road, Oxford, OX1 3PU, UK
4 SPAM, Centre d'Études de Saclay, 91191 Gif-sur-Yvette, France
Intensity dependent high harmonic generation was investigated when both short and long trajectories contribute to the emission. We have directly observed for the first time clear indication of quantum-path interference through harmonic spectrum modulations.
© EDP Sciences, Springer-Verlag, 2009