Journal article
Quantum Control by Ultrafast Polarization Shaping



Publication Details
Authors:
Brixner, T.; Krampert, G.; Pfeifer, T.; Selle, R.; Gerber, G.; Wollenhaupt, M.; Graefe, O.; Horn, C.; Liese, D.; Baumert, T.
Publication year:
2004
Journal:
Physical Review Letters
Pages range:
208301-1 - 208301-4
Journal acronym:
PRL
Volume number:
92
ISSN:
0031-9007
eISSN:
1079-7114

Abstract
We demonstrate that the use of time-dependent light polarization opens a new level of control over quantum systems. With potassium dimer molecules from a supersonic molecular beam, we show that a polarization-shaped laser pulse increases the ionization yield beyond that obtained with an optimally shaped linearly polarized laser pulse. This is due to the different multiphoton ionization pathways in K-2 involving dipole transitions which favor different polarization directions of the exciting laser field. This experiment is a qualitative extension of quantum control mechanisms which opens up new directions giving access to the three-dimensional temporal response of molecular systems.


Research Areas


Last updated on 2019-01-11 at 16:04