Title :
Wavelength scaling of high-harmonic generation efficiency close to the multiphoton ionization regime
Author :
Chien-Jen Lai ; Cirmi, Giovanni ; Shu-Wei Huang ; Granados, E. ; Kyung-Han Hong ; Moses, Jeffrey ; Keathley, Phillip ; Bhardwaj, Shashank ; Kartner, Franz X.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Massachusetts Inst. of Technol. (MIT), Cambridge, MA, USA
Abstract :
Our experiment shows a less dramatic wavelength scaling of high harmonic generation efficiency between the tunneling and the multiphoton ionization regimes, which can be explained by a modified three-step model with complex ionization time.
Keywords :
multiphoton processes; optical harmonic generation; photoionisation; tunnelling; high-harmonic generation efficiency; modified three-step model; multiphoton ionization regime; tunneling; wavelength scaling; Fitting; Harmonic analysis; Ionization; Optical frequency conversion; Photonics; Tunneling;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA