期刊
PHYSICAL REVIEW A
卷 79, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.011403
关键词
fluorine compounds; molecular orientation; molecule-photon collisions; polarisability; quantum optics; radiation pressure; rotational states
资金
- Japan Society for the Promotion of Science (JSPS) [14102012, 19204041]
- Global COE Program Physical Sciences Frontier, MEXT, Japan
We propose a practical and versatile technique to achieve completely field-free molecular orientation with an intense, nonresonant, two-color laser field with a slow turn on and rapid turn off. The technique is based on the combined effects of both anisotropic polarizability interaction and anisotropic hyperpolarizability interaction. Using a FCN molecule as a sample, we show that the orientation achieved adiabatically by the peak of the laser pulse can be successfully revived at the rotational period of the molecule with the same degree of orientation. The crucial importance of the sufficiently slow turn on of the laser pulse is emphasized to achieve the highest possible degree of orientation.
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