Direct observation of quantum-path interferences in high order harmonic generation

E. Cormier; A. Zaïr; M. Holler; F. Schapper; U. Keller; A. Wyatt; A. Monmayrant; I. Walmsley; T. Auguste; P. Salières

doi:10.1140/epjst/e2009-01140-5

EPJ

Direct observation of quantum-path interferences in high order harmonic generation

E. Cormier¹, A. Zaïr², M. Holler², F. Schapper², U. Keller², A. Wyatt³, A. Monmayrant³, I. Walmsley³, T. Auguste⁴ and P. Salières⁴

¹ 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

Corresponding authors: This email address is being protected from spambots. You need JavaScript enabled to view it. This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract

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.

International School of Cosmic Ray Astrophysics
24th Course: “Particles and the Cosmos”
29 July – 6 August 2026
Erice, Italy

EPJ

Direct observation of quantum-path interferences in high order harmonic generation

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