Quantum theory of high-harmonic generation via above-threshold ionization and stimulated recombination

Citation
My. Kuchiev et Vn. Ostrovsky, Quantum theory of high-harmonic generation via above-threshold ionization and stimulated recombination, J PHYS B, 32(9), 1999, pp. L189-L196
Citations number
18
Categorie Soggetti
Physics
Journal title
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
ISSN journal
09534075 → ACNP
Volume
32
Issue
9
Year of publication
1999
Pages
L189 - L196
Database
ISI
SICI code
0953-4075(19990514)32:9<L189:QTOHGV>2.0.ZU;2-1
Abstract
A fully quantum treatment presents high-harmonic generation as explicitly a three-stage process: above-threshold ionization (ATI) is followed by conti nuum electron propagation in a laser field and subsequent stimulated recomb ination back into the initial state. The contributions of all ATI channels add up coherently. All three stages of the process are described by simple, mostly analytical expressions. Very good quantitative agreement with the p revious calculations on harmonic generation by the H- ion is demonstrated, thus supplementing the conceptual significance of the theory with its pract ical efficiency.