Title :
All-optical quasi-phase matching and quantum path control by counter propagating pulse trains
Author :
Zhang, Xiaoshi ; Lytle, Amy L. ; Kapteyn, Henry C. ; Murnane, Margaret M. ; Cohen, Oren
Author_Institution :
JILA, University of Colorado, Boulder, 80309-0440 USA
Abstract :
We enhance high-order harmonic generation at 70eV in argon and 145eV in helium by orders of magnitude using counterpropagating pulsetrains. We also demonstrate coherent control on attosecond timescales by selective enhancement of different quantum trajectories.
Keywords :
Argon; Counting circuits; Free electron lasers; Frequency conversion; Helium; Ionization; Laser excitation; Optical harmonic generation; Optical pulse generation; Pulse amplifiers;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431032