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 :
Univ. of Colorado, Boulder
Abstract :
We enhance high-order harmonic generation at 70 eV in argon and 145 eV 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; helium; high-speed optical techniques; optical harmonic generation; optical phase matching; Ar; He; all-optical quasiphase matching; counter propagating pulse trains; electron volt energy 145 eV; electron volt energy 70 eV; high-order harmonic generation; quantum path control; quantum trajectories; Argon; Counting circuits; Free electron lasers; Frequency conversion; Helium; Ionization; Laser excitation; Optical harmonic generation; Optical pulse generation; Pulse amplifiers;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453255
